#include<bits/stdc++.h>
using namespace std;
int main(){
    int N;
    cin>>N;
    long long H;
    cin>>H;
    long long A[202020];
    for(int i=1;i<=N;i++)cin>>A[i];
    long long count=1;
    for(int i=1;i<=N;i++)count=(count*(A[i]))%H;
    if(count==0)cout<<"YES";
    else cout<<"NO";
  



    
}