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