#include <iostream>
using namespace std;

int n, h;
int a[200000];

int main() {
	int i;
	
	cin >> n >> h;
	for (i = 0; i < n; i++) cin >> a[i];
	
	int ans = 1;
	for (i = 0; i < n; i++) {
		ans *= a[i];
		ans = (ans % h + h) % h;
	}
	
	if (ans == 0) cout << "YES" << endl;
	else cout << "NO" << endl;
	return 0;
}