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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = 250005;
int n, m, root, a[N], up[N][23];
vector<int> g[N];
void dfs(int node, int p = 0) {
up[node][0] = p;
for (int i = 1; i <= 20; i++) {
up[node][i] = up[up[node][i - 1]][i - 1];
}
for (auto it : g[node]) {
if (it != p) {
dfs(it, node);
}
}
}
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
freopen("stramosi.in", "r", stdin);
freopen("stramosi.out", "w", stdout);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
cin >> a[i];
if (!a[i]) {
root = i;
} else {
g[i].pb(a[i]);
g[a[i]].pb(i);
}
}
for (int i = 1; i <= n; i++) {
if (!a[i]) {
dfs(i);
}
}
while (m--) {
int p, q;
cin >> q >> p;
int u = q;
for (int k = 0; k < 20; k++) {
if (p & (1ll << k)) {
u = up[u][k];
}
}
cout << u << '\n';
}
}