#include<bits/stdc++.h>

using namespace std;
using ll=long long;
#define rep2(i, a, n) for(int i = (a); i < (n); i++)
#define rep(i, n) rep2(i,0,n)

void flagfunc4(bool flag){cout<<(flag?"YES\n":"NO\n");}

int main(){
  cin.tie(nullptr);ios_base::sync_with_stdio(false);
  int n;
  ll h;
  cin>>n>>h;

  ll x=1,a;
  rep(i,n){
    cin>>a;
    x=(x*(a%h))%h;
  }

  flagfunc4(x==0);
}