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#include <cstdio>
#include <cmath>
#define Nmax 250005
using namespace std;
int N,tata[Nmax],dp[Nmax][25];
inline void RMQ()
{
int i,j;
for(i=1;i<=N;++i)
dp[i][0]=tata[i];
for(i=1;i<=N;++i)
for(j=1;j<=20;++j)
dp[i][j]=dp[dp[i][j-1]][j-1];
}
inline int Put(int x)
{
int i;
for(i=0;(1<<i)<x;++i);
return i;
}
int main()
{
int M,x,y,i,p;
freopen ("stramosi.in","r",stdin);
freopen ("stramosi.out","w",stdout);
scanf("%d%d", &N,&M);
for(i=1;i<=N;++i)
scanf("%d", &tata[i]);
RMQ();
while(M--)
{
scanf("%d%d", &x,&y);
while(y)
{
p=log2(y);
x=dp[x][p];
y-=(1<<p);
}
printf("%d\n", x);
}
return 0;
}