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# include <fstream>
# include <algorithm>
# include <vector>
# define NR 400005
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
vector <int> v[NR];
struct elem
{
int ord, q;
}E;
vector <elem> querry[NR];
int i,j,n,m,x,y,VV;
int st[NR], sol[NR], in[NR];
void DFS (int k)
{
st[++VV]=k;
for (int i=0; i<querry[k].size(); ++i)
{
int S=0, var=querry[k][i].q;
if (var>=VV) S=0;
else S=st[VV-var];
sol[querry[k][i].ord]=S;
}
for (int i=0; i<v[k].size(); ++i)
DFS(v[k][i]);
--VV;
}
int main ()
{
f>>n>>m;
for (i=1; i<=n; ++i)
{
f>>x; v[x].push_back(i);
if (x!=0) ++in[i];
}
for (i=1; i<=m; ++i)
{
f>>x>>y;
E.ord=i; E.q=y;
querry[x].push_back(E);
}
for (i=1; i<=n; ++i)
if (! in[i]) DFS(i);
for (i=1; i<=m; ++i)
g<<sol[i]<<"\n";
return 0;
}