#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> P;
int INF = 3e18+7;
int mod = 1e9+7;
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
signed main() {
    int N,H;
    cin >> N >> H;
    vector<int>A(N);
    int tmp = 1;
    for(int i = 0; i < N; i++) {
        cin >> A[i];
        tmp *= A[i];
        tmp %= H;
    }
    cout << ((tmp == 0)?"YES":"NO") << endl;
}