#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);

    ll N, H, A, P=1;
    cin >> N >> H;
    for (int i=0; i<N; i++){
        cin >> A;
        P = (P * A) % H;
    }

    cout << (P == 0 ? "YES" : "NO") << endl;

    return 0;
}