#include <bits/stdc++.h>
using namespace std;

int main() {
  long long N, H;
  cin >> N >> H;
  vector<long long> A(N);
  for (int i = 0; i < N; ++i) {
    cin >> A[i];
  }

  long long p = 1;
  for (int i = 0; i < N; ++i) {
    p = p * A[i] % H;
  }

  if (p == 0) {
    cout << "YES" << endl;
  } else {
    cout << "NO" << endl;
  }
}