#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const int MAX = 1e9;
const int MIN = -1*1e9;
const ll MAXLL = 1e18;
const ll MINLL = -1*1e18;

int main()
{
    ll N,H,Sum=1; cin >> N >> H;
    for(int i = 0; i < N; i++)
    {
        ll A; cin >> A;
        Sum *= A;
        Sum %= H;
    }
    cout << (Sum == 0 ? "YES" : "NO") << endl;
    return 0;
}