#include <bits/stdc++.h>
using namespace std;

int main() {
	int n; cin >> n;
	int64_t h; cin >> h;
	int64_t ans = 1;
	while(n--) {
		int64_t a; cin >> a;
		ans = (ans * a) % h;
	}
	cout << (ans == 0 ? "YES" : "NO") << '\n';
	return 0;
}