// yukicoder No.1250
#include <bits/stdc++.h>
#define ll long long
#define forn(n) for (int i = 0; i < (int) (n); ++i)

using namespace std;

int main()
{
    ll n, h;
    cin >> n >> h;
    
    vector<ll> vec(n);
    forn(n) {
        cin >> vec[i];
    }

    ll pro = vec[0];
    bool flag = false;

    if (pro % h == 0) flag = true;
    else {
        for (int i = 1; i < n; ++i) {
            pro *= vec[i];
            if(pro % h == 0) {
                flag = true;
                break;
            }
            else continue;
        }

    }
    if (flag) cout << "YES" << "\n";
    else cout << "NO" << "\n";

    return 0;
}