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#include <fstream>
#include <vector>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
#define NMAX 250005
vector<int> g[NMAX];
int main()
{
int n, m;
fin >> n >> m;
for (int i = 1; i <= n; ++ i)
{
int x;
fin >> x;
if (x)
{
g[i].push_back(x);
for (auto it : g[x])
g[i].push_back(it);
}
}
for (int i = 1; i <= m; ++ i)
{
int q, p;
fin >> q >> p;
if (p > g[q].size())
fout << 0 << '\n';
else
fout << g[q][p - 1] << '\n';
}
return 0;
}