#include <bits/stdc++.h>
using namespace std;
int main(){
	int N, H;
	cin >> N >> H;
	long long sum = 1;
	for (int i = 0; i < N; i++){
		int a;
		cin >> a;
		sum *= a;
		sum %= H;
	}
	if (sum == 0){
		cout << "YES" << endl;
	} else {
		cout << "NO" << endl;
	}
}