#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
  int n, q;
  cin >> n >> q;

  vector<int> p(n + 1);
  for (int i = 0; i < n; ++i) {
    cin >> p[i];
  }

  auto f = [&](int k) {
    int t = k;
    while (p[t] > 0) {
      t = p[t];
    }
    while (p[k] > 0) {
      int k2 = k;
      k = p[k];
      p[k2] = t;
    }
    return t;
  };

  while (q--) {
    int a, b;
    cin >> a >> b;

    cout << (f(a) == f(b)? "Yes": "No") << '\n';
  }
}