#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define ll long long 
int main() {
    ll n,h;
    cin>>n>>h;
    ll a[n];
    ll p=1;
    ll oo=0;
    for(ll i=0;i<n;i++){
        cin>>a[i];
        p*=a[i];
        p%=h;
    }
    if(p==0) cout<<"YES";
    else cout<<"NO";
        
}