#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (n); i++)
typedef long long ll;
typedef long double ld;
typedef pair<int,int> P;


int main() {
  int n, h;
  cin >> n >> h;
  ll ok = 1;
  rep(i,n) {
    int a;
    cin >> a;
    (ok *= a % h) %= h;
  }
  cout << (!ok ? "YES" : "NO") << endl;
  return 0;
}