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#include <iostream>
#include<fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int n,q,i,v[250001],log2[20],p,k,r[250001][20],p2,j;
inline void BuildRMQ()
{
int m=log2[n]+1,i,j;
for(i=1; i<=n; i++)
r[0][i]=v[i];
for(i=1; i<m; i++)
for(j=1; j<=n; j++)
r[i][j]=r[i-1][r[i-1][j]];
}
int main()
{
f>>n>>q;
for(i=1; i<=n; i++)
f>>v[i];
log2[1]=0;
for(i=2; i<=n; i++)
log2[i]=log2[i/2]+1;
BuildRMQ();
for(; q; q--)
{
f>>p>>k;//al k lea stramos al lui p
while(p && k)
{
p2=1;
for(j=0;p2*2<=k;j++)
p2*=2;
p=r[j][p];
k-=p2;
}
g<<p<<'\n';
}
}