#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, ss, ee) for (int i = ss; i < ee; ++i)

void solve() {
  ll N, H;
  cin >> N >> H;
  ll sum = 1LL;
  rep(i, 0, N) {
    ll a;
    cin >> a;
    sum = (sum * a) % H;
  }
  cout << ((sum % H == 0LL) ? "YES" : "NO") << endl;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  solve();
}