#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ul = unsigned long;
using ull = unsigned long long;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	ll n, h;
	cin >> n >> h;
	
	ll res{ 1 };
	for (int i = 0; i < n; ++i)
	{
		ll a;
		cin >> a;
		res = res * a % h;
	}

	cout << (res == 0 ? "YES" : "NO") << "\n";

	return 0;
}