#include <bits/stdc++.h>
using namespace std;
const int dx[] = {0, 1, -1, 0, 1, -1, -1, 1};
const int dy[] = {-1, 0, 0, 1, 1, 1, -1, -1};
const int N = 0;
const int MOD = 0;
const int INF = 1e9 + 10;
const long long int LLINF = 1e18 + 10;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  int v[10010];
  int l, r, x;
  for (int i = 1; i <= n; i++) {
    cin >> v[i];
  }
  int aux;
  bool mudou;
  int cnt = 0;
  while (m--) {
    cin >> l >> r >> x;
    aux = x - l;
    cnt = 0;
    for (int i = l; i <= r; i++) {
      if (v[i] < v[x]) cnt++;
    }
    if (cnt == aux)
      cout << "Yes\n";
    else
      cout << "No\n";
  }
  return 0;
}
