#include<bits/stdc++.h>
//#include<atcoder/all>

using namespace std;
//using namespace atcoder;

int main(){
    long long N,H;
    cin>>N>>H;

    long long Asum=1;
    for(int i=0;i<N;i++){
        long long A;
        cin>>A;
        Asum*=A;
        Asum%=H;
    }

    if(Asum==0) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
}