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#include<iostream>
#include<fstream>
#include<vector>
#include<queue>
#include<map>
#define DX 250100
using namespace std;
fstream fin("stramosi.in",ios::in),fout("stramosi.out",ios::out);
int inainte[DX+5],stra[DX+5][22],put[22],mp[DX+5];
vector<int> v[DX];
int search(int nod,int numar)
{
while(numar!=0 && nod!=0)
{
nod=stra[nod][mp[inainte[numar]]];
numar-=inainte[numar];
}
return nod;
}
void build(int nod,int nr)
{
int i,r;
for(i=1;put[i]<=nr;i++)
{
stra[nod][i]=stra[stra[nod][i-1]][i-1];
}
for(auto x: v[nod]) build(x,nr+1);
}
int main()
{
ios_base::sync_with_stdio(0);
int a,b,n,m,aux,stop,i,j=1;
fin>>n>>m;
for(i=1;i<=n;i++)
{
fin>>stra[i][0];
v[stra[i][0]].push_back(i);
}
for(i=0;i<19;i++)
{
aux=(1<<i);
stop=(1<<(1+i));
put[i]=aux;
mp[aux]=i;
for(j=aux;j<stop && j<DX;j++) inainte[j]=aux;
}
for(i=1;i<=n;i++) if(stra[i][0]==0) build(i,0);
for(i=1;i<=m;i++)
{
fin>>a>>b;
fout<<search(a,b)<<"\n";
}
}