#include <iostream>
using namespace std;

int main() {
    int64_t n, h;
    cin >> n >> h;
    int64_t a[n], multiply = 1;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        multiply *= a[i];
    }
    if (multiply % h == 0) cout << "YES\n";
    else cout << "NO\n";
    return 0;
}