#include <bits/stdc++.h>
#define int long long
#define double long double
using namespace std;
const int MOD =  1000000007;
const int INF = 1e11;
using Graph = vector<vector<int>>;

signed main(){
  int N, H;
  cin >> N >> H;

  bool fg = 0;
  int now = 1;
  for( int i = 0; i < N; i++ ){
    int A;
    cin >> A;
    if( A%H == 0 ) fg = 1;
    else now *= (A%H);
    if( abs(now) >= H ){
      if( now%H == 0 ) fg = 1;
      now %= H;
    }
  }
  if( fg ) cout << "YES" << endl;
  else cout << "NO" << endl;
}