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

std::random_device seed_gen;
std::default_random_engine eg(seed_gen());

// 0以上9以下の値を等確率で発生させる
std::uniform_int_distribution<> dist(1, 300);

int main() {
  int n, q;
  cin >> n >> q;
  vector<int> p(n);
  for (int i = 0; i < n; i++) {
    cin >> p[i];
    p[i]--;
    if (p[i] < 0)
      p[i] = i;
  }
  
  for (int i = 0; i < n; i++) {
    vector<int> stack;
    int leader = i;
    while (p[leader] != leader) {
      stack.push_back(leader);
      leader = p[leader];
    }
    for (auto& v : stack)
      p[v] = leader;
  }

  for (int i = 0; i < q; i++) {
    int a, b;
    cin >> a >> b;
    if (p[a - 1] == p[b - 1])
      cout << "Yes\n";
    else
      cout << "No\n";
  }
  return 0;
}