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wt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(wt>>>26)|0,wt&=67108863,n=Math.imul(k,U),h=Math.imul(k,D),h=h+Math.imul(A,U)|0,e=Math.imul(A,D),n=n+Math.imul(y,J)|0,h=h+Math.imul(y,C)|0,h=h+Math.imul(b,J)|0,e=e+Math.imul(b,C)|0,n=n+Math.imul(v,G)|0,h=h+Math.imul(v,Q)|0,h=h+Math.imul(g,G)|0,e=e+Math.imul(g,Q)|0,n=n+Math.imul(p,W)|0,h=h+Math.imul(p,X)|0,h=h+Math.imul(M,W)|0,e=e+Math.imul(M,X)|0,n=n+Math.imul(m,$)|0,h=h+Math.imul(m,tt)|0,h=h+Math.imul(f,$)|0,e=e+Math.imul(f,tt)|0;var yt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(yt>>>26)|0,yt&=67108863,n=Math.imul(S,U),h=Math.imul(S,D),h=h+Math.imul(R,U)|0,e=Math.imul(R,D),n=n+Math.imul(k,J)|0,h=h+Math.imul(k,C)|0,h=h+Math.imul(A,J)|0,e=e+Math.imul(A,C)|0,n=n+Math.imul(y,G)|0,h=h+Math.imul(y,Q)|0,h=h+Math.imul(b,G)|0,e=e+Math.imul(b,Q)|0,n=n+Math.imul(v,W)|0,h=h+Math.imul(v,X)|0,h=h+Math.imul(g,W)|0,e=e+Math.imul(g,X)|0,n=n+Math.imul(p,$)|0,h=h+Math.imul(p,tt)|0,h=h+Math.imul(M,$)|0,e=e+Math.imul(M,tt)|0,n=n+Math.imul(m,rt)|0,h=h+Math.imul(m,nt)|0,h=h+Math.imul(f,rt)|0,e=e+Math.imul(f,nt)|0;var bt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(bt>>>26)|0,bt&=67108863,n=Math.imul(B,U),h=Math.imul(B,D),h=h+Math.imul(Z,U)|0,e=Math.imul(Z,D),n=n+Math.imul(S,J)|0,h=h+Math.imul(S,C)|0,h=h+Math.imul(R,J)|0,e=e+Math.imul(R,C)|0,n=n+Math.imul(k,G)|0,h=h+Math.imul(k,Q)|0,h=h+Math.imul(A,G)|0,e=e+Math.imul(A,Q)|0,n=n+Math.imul(y,W)|0,h=h+Math.imul(y,X)|0,h=h+Math.imul(b,W)|0,e=e+Math.imul(b,X)|0,n=n+Math.imul(v,$)|0,h=h+Math.imul(v,tt)|0,h=h+Math.imul(g,$)|0,e=e+Math.imul(g,tt)|0,n=n+Math.imul(p,rt)|0,h=h+Math.imul(p,nt)|0,h=h+Math.imul(M,rt)|0,e=e+Math.imul(M,nt)|0,n=n+Math.imul(m,et)|0,h=h+Math.imul(m,ot)|0,h=h+Math.imul(f,et)|0,e=e+Math.imul(f,ot)|0;var _t=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(_t>>>26)|0,_t&=67108863,n=Math.imul(I,U),h=Math.imul(I,D),h=h+Math.imul(N,U)|0,e=Math.imul(N,D),n=n+Math.imul(B,J)|0,h=h+Math.imul(B,C)|0,h=h+Math.imul(Z,J)|0,e=e+Math.imul(Z,C)|0,n=n+Math.imul(S,G)|0,h=h+Math.imul(S,Q)|0,h=h+Math.imul(R,G)|0,e=e+Math.imul(R,Q)|0,n=n+Math.imul(k,W)|0,h=h+Math.imul(k,X)|0,h=h+Math.imul(A,W)|0,e=e+Math.imul(A,X)|0,n=n+Math.imul(y,$)|0,h=h+Math.imul(y,tt)|0,h=h+Math.imul(b,$)|0,e=e+Math.imul(b,tt)|0,n=n+Math.imul(v,rt)|0,h=h+Math.imul(v,nt)|0,h=h+Math.imul(g,rt)|0,e=e+Math.imul(g,nt)|0,n=n+Math.imul(p,et)|0,h=h+Math.imul(p,ot)|0,h=h+Math.imul(M,et)|0,e=e+Math.imul(M,ot)|0,n=n+Math.imul(m,ut)|0,h=h+Math.imul(m,at)|0,h=h+Math.imul(f,ut)|0,e=e+Math.imul(f,at)|0;var kt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(kt>>>26)|0,kt&=67108863,n=Math.imul(O,U),h=Math.imul(O,D),h=h+Math.imul(z,U)|0,e=Math.imul(z,D),n=n+Math.imul(I,J)|0,h=h+Math.imul(I,C)|0,h=h+Math.imul(N,J)|0,e=e+Math.imul(N,C)|0,n=n+Math.imul(B,G)|0,h=h+Math.imul(B,Q)|0,h=h+Math.imul(Z,G)|0,e=e+Math.imul(Z,Q)|0,n=n+Math.imul(S,W)|0,h=h+Math.imul(S,X)|0,h=h+Math.imul(R,W)|0,e=e+Math.imul(R,X)|0,n=n+Math.imul(k,$)|0,h=h+Math.imul(k,tt)|0,h=h+Math.imul(A,$)|0,e=e+Math.imul(A,tt)|0,n=n+Math.imul(y,rt)|0,h=h+Math.imul(y,nt)|0,h=h+Math.imul(b,rt)|0,e=e+Math.imul(b,nt)|0,n=n+Math.imul(v,et)|0,h=h+Math.imul(v,ot)|0,h=h+Math.imul(g,et)|0,e=e+Math.imul(g,ot)|0,n=n+Math.imul(p,ut)|0,h=h+Math.imul(p,at)|0,h=h+Math.imul(M,ut)|0,e=e+Math.imul(M,at)|0,n=n+Math.imul(m,mt)|0,h=h+Math.imul(m,ft)|0,h=h+Math.imul(f,mt)|0,e=e+Math.imul(f,ft)|0;var At=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(At>>>26)|0,At&=67108863,n=Math.imul(j,U),h=Math.imul(j,D),h=h+Math.imul(P,U)|0,e=Math.imul(P,D),n=n+Math.imul(O,J)|0,h=h+Math.imul(O,C)|0,h=h+Math.imul(z,J)|0,e=e+Math.imul(z,C)|0,n=n+Math.imul(I,G)|0,h=h+Math.imul(I,Q)|0,h=h+Math.imul(N,G)|0,e=e+Math.imul(N,Q)|0,n=n+Math.imul(B,W)|0,h=h+Math.imul(B,X)|0,h=h+Math.imul(Z,W)|0,e=e+Math.imul(Z,X)|0,n=n+Math.imul(S,$)|0,h=h+Math.imul(S,tt)|0,h=h+Math.imul(R,$)|0,e=e+Math.imul(R,tt)|0,n=n+Math.imul(k,rt)|0,h=h+Math.imul(k,nt)|0,h=h+Math.imul(A,rt)|0,e=e+Math.imul(A,nt)|0,n=n+Math.imul(y,et)|0,h=h+Math.imul(y,ot)|0,h=h+Math.imul(b,et)|0,e=e+Math.imul(b,ot)|0,n=n+Math.imul(v,ut)|0,h=h+Math.imul(v,at)|0,h=h+Math.imul(g,ut)|0,e=e+Math.imul(g,at)|0,n=n+Math.imul(p,mt)|0,h=h+Math.imul(p,ft)|0,h=h+Math.imul(M,mt)|0,e=e+Math.imul(M,ft)|0,n=n+Math.imul(m,pt)|0,h=h+Math.imul(m,Mt)|0,h=h+Math.imul(f,pt)|0,e=e+Math.imul(f,Mt)|0;var xt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(xt>>>26)|0,xt&=67108863,n=Math.imul(j,J),h=Math.imul(j,C),h=h+Math.imul(P,J)|0,e=Math.imul(P,C),n=n+Math.imul(O,G)|0,h=h+Math.imul(O,Q)|0,h=h+Math.imul(z,G)|0,e=e+Math.imul(z,Q)|0,n=n+Math.imul(I,W)|0,h=h+Math.imul(I,X)|0,h=h+Math.imul(N,W)|0,e=e+Math.imul(N,X)|0,n=n+Math.imul(B,$)|0,h=h+Math.imul(B,tt)|0,h=h+Math.imul(Z,$)|0,e=e+Math.imul(Z,tt)|0,n=n+Math.imul(S,rt)|0,h=h+Math.imul(S,nt)|0,h=h+Math.imul(R,rt)|0,e=e+Math.imul(R,nt)|0,n=n+Math.imul(k,et)|0,h=h+Math.imul(k,ot)|0,h=h+Math.imul(A,et)|0,e=e+Math.imul(A,ot)|0,n=n+Math.imul(y,ut)|0,h=h+Math.imul(y,at)|0,h=h+Math.imul(b,ut)|0,e=e+Math.imul(b,at)|0,n=n+Math.imul(v,mt)|0,h=h+Math.imul(v,ft)|0,h=h+Math.imul(g,mt)|0,e=e+Math.imul(g,ft)|0,n=n+Math.imul(p,pt)|0,h=h+Math.imul(p,Mt)|0,h=h+Math.imul(M,pt)|0,e=e+Math.imul(M,Mt)|0;var St=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(St>>>26)|0,St&=67108863,n=Math.imul(j,G),h=Math.imul(j,Q),h=h+Math.imul(P,G)|0,e=Math.imul(P,Q),n=n+Math.imul(O,W)|0,h=h+Math.imul(O,X)|0,h=h+Math.imul(z,W)|0,e=e+Math.imul(z,X)|0,n=n+Math.imul(I,$)|0,h=h+Math.imul(I,tt)|0,h=h+Math.imul(N,$)|0,e=e+Math.imul(N,tt)|0,n=n+Math.imul(B,rt)|0,h=h+Math.imul(B,nt)|0,h=h+Math.imul(Z,rt)|0,e=e+Math.imul(Z,nt)|0,n=n+Math.imul(S,et)|0,h=h+Math.imul(S,ot)|0,h=h+Math.imul(R,et)|0,e=e+Math.imul(R,ot)|0,n=n+Math.imul(k,ut)|0,h=h+Math.imul(k,at)|0,h=h+Math.imul(A,ut)|0,e=e+Math.imul(A,at)|0,n=n+Math.imul(y,mt)|0,h=h+Math.imul(y,ft)|0,h=h+Math.imul(b,mt)|0,e=e+Math.imul(b,ft)|0,n=n+Math.imul(v,pt)|0,h=h+Math.imul(v,Mt)|0,h=h+Math.imul(g,pt)|0,e=e+Math.imul(g,Mt)|0;var Rt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(Rt>>>26)|0,Rt&=67108863,n=Math.imul(j,W),h=Math.imul(j,X),h=h+Math.imul(P,W)|0,e=Math.imul(P,X),n=n+Math.imul(O,$)|0,h=h+Math.imul(O,tt)|0,h=h+Math.imul(z,$)|0,e=e+Math.imul(z,tt)|0,n=n+Math.imul(I,rt)|0,h=h+Math.imul(I,nt)|0,h=h+Math.imul(N,rt)|0,e=e+Math.imul(N,nt)|0,n=n+Math.imul(B,et)|0,h=h+Math.imul(B,ot)|0,h=h+Math.imul(Z,et)|0,e=e+Math.imul(Z,ot)|0,n=n+Math.imul(S,ut)|0,h=h+Math.imul(S,at)|0,h=h+Math.imul(R,ut)|0,e=e+Math.imul(R,at)|0,n=n+Math.imul(k,mt)|0,h=h+Math.imul(k,ft)|0,h=h+Math.imul(A,mt)|0,e=e+Math.imul(A,ft)|0,n=n+Math.imul(y,pt)|0,h=h+Math.imul(y,Mt)|0,h=h+Math.imul(b,pt)|0,e=e+Math.imul(b,Mt)|0;var qt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(qt>>>26)|0,qt&=67108863,n=Math.imul(j,$),h=Math.imul(j,tt),h=h+Math.imul(P,$)|0,e=Math.imul(P,tt),n=n+Math.imul(O,rt)|0,h=h+Math.imul(O,nt)|0,h=h+Math.imul(z,rt)|0,e=e+Math.imul(z,nt)|0,n=n+Math.imul(I,et)|0,h=h+Math.imul(I,ot)|0,h=h+Math.imul(N,et)|0,e=e+Math.imul(N,ot)|0,n=n+Math.imul(B,ut)|0,h=h+Math.imul(B,at)|0,h=h+Math.imul(Z,ut)|0,e=e+Math.imul(Z,at)|0,n=n+Math.imul(S,mt)|0,h=h+Math.imul(S,ft)|0,h=h+Math.imul(R,mt)|0,e=e+Math.imul(R,ft)|0,n=n+Math.imul(k,pt)|0,h=h+Math.imul(k,Mt)|0,h=h+Math.imul(A,pt)|0,e=e+Math.imul(A,Mt)|0;var Bt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(Bt>>>26)|0,Bt&=67108863,n=Math.imul(j,rt),h=Math.imul(j,nt),h=h+Math.imul(P,rt)|0,e=Math.imul(P,nt),n=n+Math.imul(O,et)|0,h=h+Math.imul(O,ot)|0,h=h+Math.imul(z,et)|0,e=e+Math.imul(z,ot)|0,n=n+Math.imul(I,ut)|0,h=h+Math.imul(I,at)|0,h=h+Math.imul(N,ut)|0,e=e+Math.imul(N,at)|0,n=n+Math.imul(B,mt)|0,h=h+Math.imul(B,ft)|0,h=h+Math.imul(Z,mt)|0,e=e+Math.imul(Z,ft)|0,n=n+Math.imul(S,pt)|0,h=h+Math.imul(S,Mt)|0,h=h+Math.imul(R,pt)|0,e=e+Math.imul(R,Mt)|0;var Zt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(Zt>>>26)|0,Zt&=67108863,n=Math.imul(j,et),h=Math.imul(j,ot),h=h+Math.imul(P,et)|0,e=Math.imul(P,ot),n=n+Math.imul(O,ut)|0,h=h+Math.imul(O,at)|0,h=h+Math.imul(z,ut)|0,e=e+Math.imul(z,at)|0,n=n+Math.imul(I,mt)|0,h=h+Math.imul(I,ft)|0,h=h+Math.imul(N,mt)|0,e=e+Math.imul(N,ft)|0,n=n+Math.imul(B,pt)|0,h=h+Math.imul(B,Mt)|0,h=h+Math.imul(Z,pt)|0,e=e+Math.imul(Z,Mt)|0;var Lt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,n=Math.imul(j,ut),h=Math.imul(j,at),h=h+Math.imul(P,ut)|0,e=Math.imul(P,at),n=n+Math.imul(O,mt)|0,h=h+Math.imul(O,ft)|0,h=h+Math.imul(z,mt)|0,e=e+Math.imul(z,ft)|0,n=n+Math.imul(I,pt)|0,h=h+Math.imul(I,Mt)|0,h=h+Math.imul(N,pt)|0,e=e+Math.imul(N,Mt)|0;var It=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(It>>>26)|0,It&=67108863,n=Math.imul(j,mt),h=Math.imul(j,ft),h=h+Math.imul(P,mt)|0,e=Math.imul(P,ft),n=n+Math.imul(O,pt)|0,h=h+Math.imul(O,Mt)|0,h=h+Math.imul(z,pt)|0,e=e+Math.imul(z,Mt)|0;var Nt=(a+n|0)+((8191&h)<<13)|0;a=(e+(h>>>13)|0)+(Nt>>>26)|0,Nt&=67108863,n=Math.imul(j,pt),h=Math.imul(j,Mt),h=h+Math.imul(P,pt)|0,e=Math.imul(P,Mt);var Et=(a+n|0)+((8191&h)<<13)|0;return a=(e+(h>>>13)|0)+(Et>>>26)|0,Et&=67108863,u[0]=ct,u[1]=vt,u[2]=gt,u[3]=wt,u[4]=yt,u[5]=bt,u[6]=_t,u[7]=kt,u[8]=At,u[9]=xt,u[10]=St,u[11]=Rt,u[12]=qt,u[13]=Bt,u[14]=Zt,u[15]=Lt,u[16]=It,u[17]=Nt,u[18]=Et,0!==a&&(u[19]=a,r.length++),r};function c(t,i,r){r.negative=i.negative^t.negative,r.length=t.length+i.length;for(var n=0,h=0,e=0;e<r.length-1;e++){var o=h;h=0;for(var s=67108863&n,u=Math.min(e,i.length-1),a=Math.max(0,e-t.length+1);a<=u;a++){var l=e-a,m=0|t.words[l],f=0|i.words[a],d=m*f,p=67108863&d;o=o+(d/67108864|0)|0,p=p+s|0,s=67108863&p,o=o+(p>>>26)|0,h+=o>>>26,o&=67108863}r.words[e]=s,n=o,o=h}return 0!==n?r.words[e]=n:r.length--,r.strip()}function v(t,i,r){var n=new g;return n.mulp(t,i,r)}function g(t,i){this.x=t,this.y=i}Math.imul||(M=p),e.prototype.mulTo=function(t,i){var r,n=this.length+t.length;return r=10===this.length&&10===t.length?M(this,t,i):n<63?p(this,t,i):n<1024?c(this,t,i):v(this,t,i),r},g.prototype.makeRBT=function(t){for(var i=new Array(t),r=e.prototype._countBits(t)-1,n=0;n<t;n++)i[n]=this.revBin(n,r,t);return i},g.prototype.revBin=function(t,i,r){if(0===t||t===r-1)return t;for(var n=0,h=0;h<i;h++)n|=(1&t)<<i-h-1,t>>=1;return n},g.prototype.permute=function(t,i,r,n,h,e){for(var o=0;o<e;o++)n[o]=i[t[o]],h[o]=r[t[o]]},g.prototype.transform=function(t,i,r,n,h,e){this.permute(e,t,i,r,n,h);for(var o=1;o<h;o<<=1)for(var s=o<<1,u=Math.cos(2*Math.PI/s),a=Math.sin(2*Math.PI/s),l=0;l<h;l+=s)for(var m=u,f=a,d=0;d<o;d++){var p=r[l+d],M=n[l+d],c=r[l+d+o],v=n[l+d+o],g=m*c-f*v;v=m*v+f*c,c=g,r[l+d]=p+c,n[l+d]=M+v,r[l+d+o]=p-c,n[l+d+o]=M-v,d!==s&&(g=u*m-a*f,f=u*f+a*m,m=g)}},g.prototype.guessLen13b=function(t,i){var r=1|Math.max(i,t),n=1&r,h=0;for(r=r/2|0;r;r>>>=1)h++;return 1<<h+1+n},g.prototype.conjugate=function(t,i,r){if(!(r<=1))for(var n=0;n<r/2;n++){var h=t[n];t[n]=t[r-n-1],t[r-n-1]=h,h=i[n],i[n]=-i[r-n-1],i[r-n-1]=-h}},g.prototype.normalize13b=function(t,i){for(var r=0,n=0;n<i/2;n++){var h=8192*Math.round(t[2*n+1]/i)+Math.round(t[2*n]/i)+r;t[n]=67108863&h,r=h<67108864?0:h/67108864|0}return t},g.prototype.convert13b=function(t,i,r,h){for(var e=0,o=0;o<i;o++)e+=0|t[o],r[2*o]=8191&e,e>>>=13,r[2*o+1]=8191&e,e>>>=13;for(o=2*i;o<h;++o)r[o]=0;n(0===e),n(0===(-8192&e))},g.prototype.stub=function(t){for(var i=new Array(t),r=0;r<t;r++)i[r]=0;return i},g.prototype.mulp=function(t,i,r){var n=2*this.guessLen13b(t.length,i.length),h=this.makeRBT(n),e=this.stub(n),o=new Array(n),s=new Array(n),u=new Array(n),a=new Array(n),l=new Array(n),m=new Array(n),f=r.words;f.length=n,this.convert13b(t.words,t.length,o,n),this.convert13b(i.words,i.length,a,n),this.transform(o,e,s,u,n,h),this.transform(a,e,l,m,n,h);for(var d=0;d<n;d++){var p=s[d]*l[d]-u[d]*m[d];u[d]=s[d]*m[d]+u[d]*l[d],s[d]=p}return this.conjugate(s,u,n),this.transform(s,u,f,e,n,h),this.conjugate(f,e,n),this.normalize13b(f,n),r.negative=t.negative^i.negative,r.length=t.length+i.length,r.strip()},e.prototype.mul=function(t){var i=new e(null);return i.words=new Array(this.length+t.length),this.mulTo(t,i)},e.prototype.mulf=function(t){var i=new e(null);return i.words=new Array(this.length+t.length),v(this,t,i)},e.prototype.imul=function(t){return this.clone().mulTo(t,this)},e.prototype.imuln=function(t){n("number"===typeof t),n(t<67108864);for(var i=0,r=0;r<this.length;r++){var h=(0|this.words[r])*t,e=(67108863&h)+(67108863&i);i>>=26,i+=h/67108864|0,i+=e>>>26,this.words[r]=67108863&e}return 0!==i&&(this.words[r]=i,this.length++),this},e.prototype.muln=function(t){return this.clone().imuln(t)},e.prototype.sqr=function(){return this.mul(this)},e.prototype.isqr=function(){return this.imul(this.clone())},e.prototype.pow=function(t){var i=d(t);if(0===i.length)return new e(1);for(var r=this,n=0;n<i.length;n++,r=r.sqr())if(0!==i[n])break;if(++n<i.length)for(var h=r.sqr();n<i.length;n++,h=h.sqr())0!==i[n]&&(r=r.mul(h));return r},e.prototype.iushln=function(t){n("number"===typeof t&&t>=0);var i,r=t%26,h=(t-r)/26,e=67108863>>>26-r<<26-r;if(0!==r){var o=0;for(i=0;i<this.length;i++){var s=this.words[i]&e,u=(0|this.words[i])-s<<r;this.words[i]=u|o,o=s>>>26-r}o&&(this.words[i]=o,this.length++)}if(0!==h){for(i=this.length-1;i>=0;i--)this.words[i+h]=this.words[i];for(i=0;i<h;i++)this.words[i]=0;this.length+=h}return this.strip()},e.prototype.ishln=function(t){return n(0===this.negative),this.iushln(t)},e.prototype.iushrn=function(t,i,r){var h;n("number"===typeof t&&t>=0),h=i?(i-i%26)/26:0;var e=t%26,o=Math.min((t-e)/26,this.length),s=67108863^67108863>>>e<<e,u=r;if(h-=o,h=Math.max(0,h),u){for(var a=0;a<o;a++)u.words[a]=this.words[a];u.length=o}if(0===o);else if(this.length>o)for(this.length-=o,a=0;a<this.length;a++)this.words[a]=this.words[a+o];else this.words[0]=0,this.length=1;var l=0;for(a=this.length-1;a>=0&&(0!==l||a>=h);a--){var m=0|this.words[a];this.words[a]=l<<26-e|m>>>e,l=m&s}return u&&0!==l&&(u.words[u.length++]=l),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},e.prototype.ishrn=function(t,i,r){return n(0===this.negative),this.iushrn(t,i,r)},e.prototype.shln=function(t){return this.clone().ishln(t)},e.prototype.ushln=function(t){return this.clone().iushln(t)},e.prototype.shrn=function(t){return this.clone().ishrn(t)},e.prototype.ushrn=function(t){return this.clone().iushrn(t)},e.prototype.testn=function(t){n("number"===typeof t&&t>=0);var i=t%26,r=(t-i)/26,h=1<<i;if(this.length<=r)return!1;var e=this.words[r];return!!(e&h)},e.prototype.imaskn=function(t){n("number"===typeof t&&t>=0);var i=t%26,r=(t-i)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==i&&r++,this.length=Math.min(r,this.length),0!==i){var h=67108863^67108863>>>i<<i;this.words[this.length-1]&=h}return this.strip()},e.prototype.maskn=function(t){return this.clone().imaskn(t)},e.prototype.iaddn=function(t){return n("number"===typeof t),n(t<67108864),t<0?this.isubn(-t):0!==this.negative?1===this.length&&(0|this.words[0])<t?(this.words[0]=t-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(t),this.negative=1,this):this._iaddn(t)},e.prototype._iaddn=function(t){this.words[0]+=t;for(var i=0;i<this.length&&this.words[i]>=67108864;i++)this.words[i]-=67108864,i===this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=Math.max(this.length,i+1),this},e.prototype.isubn=function(t){if(n("number"===typeof t),n(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var i=0;i<this.length&&this.words[i]<0;i++)this.words[i]+=67108864,this.words[i+1]-=1;return this.strip()},e.prototype.addn=function(t){return this.clone().iaddn(t)},e.prototype.subn=function(t){return this.clone().isubn(t)},e.prototype.iabs=function(){return this.negative=0,this},e.prototype.abs=function(){return this.clone().iabs()},e.prototype._ishlnsubmul=function(t,i,r){var h,e,o=t.length+r;this._expand(o);var s=0;for(h=0;h<t.length;h++){e=(0|this.words[h+r])+s;var u=(0|t.words[h])*i;e-=67108863&u,s=(e>>26)-(u/67108864|0),this.words[h+r]=67108863&e}for(;h<this.length-r;h++)e=(0|this.words[h+r])+s,s=e>>26,this.words[h+r]=67108863&e;if(0===s)return this.strip();for(n(-1===s),s=0,h=0;h<this.length;h++)e=-(0|this.words[h])+s,s=e>>26,this.words[h]=67108863&e;return this.negative=1,this.strip()},e.prototype._wordDiv=function(t,i){var r=this.length-t.length,n=this.clone(),h=t,o=0|h.words[h.length-1],s=this._countBits(o);r=26-s,0!==r&&(h=h.ushln(r),n.iushln(r),o=0|h.words[h.length-1]);var u,a=n.length-h.length;if("mod"!==i){u=new e(null),u.length=a+1,u.words=new Array(u.length);for(var l=0;l<u.length;l++)u.words[l]=0}var m=n.clone()._ishlnsubmul(h,1,a);0===m.negative&&(n=m,u&&(u.words[a]=1));for(var f=a-1;f>=0;f--){var d=67108864*(0|n.words[h.length+f])+(0|n.words[h.length+f-1]);d=Math.min(d/o|0,67108863),n._ishlnsubmul(h,d,f);while(0!==n.negative)d--,n.negative=0,n._ishlnsubmul(h,1,f),n.isZero()||(n.negative^=1);u&&(u.words[f]=d)}return u&&u.strip(),n.strip(),"div"!==i&&0!==r&&n.iushrn(r),{div:u||null,mod:n}},e.prototype.divmod=function(t,i,r){return n(!t.isZero()),this.isZero()?{div:new e(0),mod:new e(0)}:0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,i),"mod"!==i&&(h=s.div.neg()),"div"!==i&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:h,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),i),"mod"!==i&&(h=s.div.neg()),{div:h,mod:s.mod}):0!==(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),i),"div"!==i&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new e(0),mod:this}:1===t.length?"div"===i?{div:this.divn(t.words[0]),mod:null}:"mod"===i?{div:null,mod:new e(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new e(this.modn(t.words[0]))}:this._wordDiv(t,i);var h,o,s},e.prototype.div=function(t){return this.divmod(t,"div",!1).div},e.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},e.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},e.prototype.divRound=function(t){var i=this.divmod(t);if(i.mod.isZero())return i.div;var r=0!==i.div.negative?i.mod.isub(t):i.mod,n=t.ushrn(1),h=t.andln(1),e=r.cmp(n);return e<0||1===h&&0===e?i.div:0!==i.div.negative?i.div.isubn(1):i.div.iaddn(1)},e.prototype.modn=function(t){n(t<=67108863);for(var i=(1<<26)%t,r=0,h=this.length-1;h>=0;h--)r=(i*r+(0|this.words[h]))%t;return r},e.prototype.idivn=function(t){n(t<=67108863);for(var i=0,r=this.length-1;r>=0;r--){var h=(0|this.words[r])+67108864*i;this.words[r]=h/t|0,i=h%t}return this.strip()},e.prototype.divn=function(t){return this.clone().idivn(t)},e.prototype.egcd=function(t){n(0===t.negative),n(!t.isZero());var i=this,r=t.clone();i=0!==i.negative?i.umod(t):i.clone();var h=new e(1),o=new e(0),s=new e(0),u=new e(1),a=0;while(i.isEven()&&r.isEven())i.iushrn(1),r.iushrn(1),++a;var l=r.clone(),m=i.clone();while(!i.isZero()){for(var f=0,d=1;0===(i.words[0]&d)&&f<26;++f,d<<=1);if(f>0){i.iushrn(f);while(f-- >0)(h.isOdd()||o.isOdd())&&(h.iadd(l),o.isub(m)),h.iushrn(1),o.iushrn(1)}for(var p=0,M=1;0===(r.words[0]&M)&&p<26;++p,M<<=1);if(p>0){r.iushrn(p);while(p-- >0)(s.isOdd()||u.isOdd())&&(s.iadd(l),u.isub(m)),s.iushrn(1),u.iushrn(1)}i.cmp(r)>=0?(i.isub(r),h.isub(s),o.isub(u)):(r.isub(i),s.isub(h),u.isub(o))}return{a:s,b:u,gcd:r.iushln(a)}},e.prototype._invmp=function(t){n(0===t.negative),n(!t.isZero());var i=this,r=t.clone();i=0!==i.negative?i.umod(t):i.clone();var h,o=new e(1),s=new e(0),u=r.clone();while(i.cmpn(1)>0&&r.cmpn(1)>0){for(var a=0,l=1;0===(i.words[0]&l)&&a<26;++a,l<<=1);if(a>0){i.iushrn(a);while(a-- >0)o.isOdd()&&o.iadd(u),o.iushrn(1)}for(var m=0,f=1;0===(r.words[0]&f)&&m<26;++m,f<<=1);if(m>0){r.iushrn(m);while(m-- >0)s.isOdd()&&s.iadd(u),s.iushrn(1)}i.cmp(r)>=0?(i.isub(r),o.isub(s)):(r.isub(i),s.isub(o))}return h=0===i.cmpn(1)?o:s,h.cmpn(0)<0&&h.iadd(t),h},e.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var i=this.clone(),r=t.clone();i.negative=0,r.negative=0;for(var n=0;i.isEven()&&r.isEven();n++)i.iushrn(1),r.iushrn(1);do{while(i.isEven())i.iushrn(1);while(r.isEven())r.iushrn(1);var h=i.cmp(r);if(h<0){var e=i;i=r,r=e}else if(0===h||0===r.cmpn(1))break;i.isub(r)}while(1);return r.iushln(n)},e.prototype.invm=function(t){return this.egcd(t).a.umod(t)},e.prototype.isEven=function(){return 0===(1&this.words[0])},e.prototype.isOdd=function(){return 1===(1&this.words[0])},e.prototype.andln=function(t){return this.words[0]&t},e.prototype.bincn=function(t){n("number"===typeof t);var i=t%26,r=(t-i)/26,h=1<<i;if(this.length<=r)return this._expand(r+1),this.words[r]|=h,this;for(var e=h,o=r;0!==e&&o<this.length;o++){var s=0|this.words[o];s+=e,e=s>>>26,s&=67108863,this.words[o]=s}return 0!==e&&(this.words[o]=e,this.length++),this},e.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},e.prototype.cmpn=function(t){var i,r=t<0;if(0!==this.negative&&!r)return-1;if(0===this.negative&&r)return 1;if(this.strip(),this.length>1)i=1;else{r&&(t=-t),n(t<=67108863,"Number is too big");var h=0|this.words[0];i=h===t?0:h<t?-1:1}return 0!==this.negative?0|-i:i},e.prototype.cmp=function(t){if(0!==this.negative&&0===t.negative)return-1;if(0===this.negative&&0!==t.negative)return 1;var i=this.ucmp(t);return 0!==this.negative?0|-i:i},e.prototype.ucmp=function(t){if(this.length>t.length)return 1;if(this.length<t.length)return-1;for(var i=0,r=this.length-1;r>=0;r--){var n=0|this.words[r],h=0|t.words[r];if(n!==h){n<h?i=-1:n>h&&(i=1);break}}return i},e.prototype.gtn=function(t){return 1===this.cmpn(t)},e.prototype.gt=function(t){return 1===this.cmp(t)},e.prototype.gten=function(t){return this.cmpn(t)>=0},e.prototype.gte=function(t){return this.cmp(t)>=0},e.prototype.ltn=function(t){return-1===this.cmpn(t)},e.prototype.lt=function(t){return-1===this.cmp(t)},e.prototype.lten=function(t){return this.cmpn(t)<=0},e.prototype.lte=function(t){return this.cmp(t)<=0},e.prototype.eqn=function(t){return 0===this.cmpn(t)},e.prototype.eq=function(t){return 0===this.cmp(t)},e.red=function(t){return new x(t)},e.prototype.toRed=function(t){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),t.convertTo(this)._forceRed(t)},e.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},e.prototype._forceRed=function(t){return this.red=t,this},e.prototype.forceRed=function(t){return n(!this.red,"Already a number in reduction context"),this._forceRed(t)},e.prototype.redAdd=function(t){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,t)},e.prototype.redIAdd=function(t){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,t)},e.prototype.redSub=function(t){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,t)},e.prototype.redISub=function(t){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,t)},e.prototype.redShl=function(t){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,t)},e.prototype.redMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.mul(this,t)},e.prototype.redIMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.imul(this,t)},e.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},e.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},e.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},e.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},e.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},e.prototype.redPow=function(t){return n(this.red&&!t.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,t)};var w={k256:null,p224:null,p192:null,p25519:null};function y(t,i){this.name=t,this.p=new e(i,16),this.n=this.p.bitLength(),this.k=new e(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function b(){y.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function _(){y.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function k(){y.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function A(){y.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function x(t){if("string"===typeof t){var i=e._prime(t);this.m=i.p,this.prime=i}else n(t.gtn(1),"modulus must be greater than 1"),this.m=t,this.prime=null}function S(t){x.call(this,t),this.shift=this.m.bitLength(),this.shift%26!==0&&(this.shift+=26-this.shift%26),this.r=new e(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}y.prototype._tmp=function(){var t=new e(null);return t.words=new Array(Math.ceil(this.n/13)),t},y.prototype.ireduce=function(t){var i,r=t;do{this.split(r,this.tmp),r=this.imulK(r),r=r.iadd(this.tmp),i=r.bitLength()}while(i>this.n);var n=i<this.n?-1:r.ucmp(this.p);return 0===n?(r.words[0]=0,r.length=1):n>0?r.isub(this.p):void 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0!==i&&(t.words[t.length++]=i),t},e._prime=function(t){if(w[t])return w[t];var i;if("k256"===t)i=new b;else if("p224"===t)i=new _;else if("p192"===t)i=new k;else{if("p25519"!==t)throw new Error("Unknown prime "+t);i=new A}return w[t]=i,i},x.prototype._verify1=function(t){n(0===t.negative,"red works only with positives"),n(t.red,"red works only with red numbers")},x.prototype._verify2=function(t,i){n(0===(t.negative|i.negative),"red works only with positives"),n(t.red&&t.red===i.red,"red works only with red numbers")},x.prototype.imod=function(t){return this.prime?this.prime.ireduce(t)._forceRed(this):t.umod(this.m)._forceRed(this)},x.prototype.neg=function(t){return t.isZero()?t.clone():this.m.sub(t)._forceRed(this)},x.prototype.add=function(t,i){this._verify2(t,i);var r=t.add(i);return r.cmp(this.m)>=0&&r.isub(this.m),r._forceRed(this)},x.prototype.iadd=function(t,i){this._verify2(t,i);var r=t.iadd(i);return r.cmp(this.m)>=0&&r.isub(this.m),r},x.prototype.sub=function(t,i){this._verify2(t,i);var r=t.sub(i);return r.cmpn(0)<0&&r.iadd(this.m),r._forceRed(this)},x.prototype.isub=function(t,i){this._verify2(t,i);var r=t.isub(i);return r.cmpn(0)<0&&r.iadd(this.m),r},x.prototype.shl=function(t,i){return this._verify1(t),this.imod(t.ushln(i))},x.prototype.imul=function(t,i){return this._verify2(t,i),this.imod(t.imul(i))},x.prototype.mul=function(t,i){return this._verify2(t,i),this.imod(t.mul(i))},x.prototype.isqr=function(t){return this.imul(t,t.clone())},x.prototype.sqr=function(t){return this.mul(t,t)},x.prototype.sqrt=function(t){if(t.isZero())return t.clone();var i=this.m.andln(3);if(n(i%2===1),3===i){var r=this.m.add(new e(1)).iushrn(2);return this.pow(t,r)}var h=this.m.subn(1),o=0;while(!h.isZero()&&0===h.andln(1))o++,h.iushrn(1);n(!h.isZero());var s=new e(1).toRed(this),u=s.redNeg(),a=this.m.subn(1).iushrn(1),l=this.m.bitLength();l=new e(2*l*l).toRed(this);while(0!==this.pow(l,a).cmp(u))l.redIAdd(u);var m=this.pow(l,h),f=this.pow(t,h.addn(1).iushrn(1)),d=this.pow(t,h),p=o;while(0!==d.cmp(s)){for(var M=d,c=0;0!==M.cmp(s);c++)M=M.redSqr();n(c<p);var v=this.pow(m,new e(1).iushln(p-c-1));f=f.redMul(v),m=v.redSqr(),d=d.redMul(m),p=c}return f},x.prototype.invm=function(t){var i=t._invmp(this.m);return 0!==i.negative?(i.negative=0,this.imod(i).redNeg()):this.imod(i)},x.prototype.pow=function(t,i){if(i.isZero())return new e(1).toRed(this);if(0===i.cmpn(1))return t.clone();var r=4,n=new Array(1<<r);n[0]=new e(1).toRed(this),n[1]=t;for(var h=2;h<n.length;h++)n[h]=this.mul(n[h-1],t);var o=n[0],s=0,u=0,a=i.bitLength()%26;for(0===a&&(a=26),h=i.length-1;h>=0;h--){for(var l=i.words[h],m=a-1;m>=0;m--){var f=l>>m&1;o!==n[0]&&(o=this.sqr(o)),0!==f||0!==s?(s<<=1,s|=f,u++,(u===r||0===h&&0===m)&&(o=this.mul(o,n[s]),u=0,s=0)):u=0}a=26}return o},x.prototype.convertTo=function(t){var i=t.umod(this.m);return 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