#include<iostream>
#include<vector>
#define ll long long

using namespace std;

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