#include <bits/stdc++.h>
#define REP(i,n) for (int i = 0; i < (n); ++i)
template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b;return true;}return false;}
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b;return true;}return false;}
using namespace std;
using ll = long long;
using P = pair<int,int>;
using Pl = pair<long long,long long>;
using veci = vector<int>;
using vecl = vector<long long>;
using vecveci = vector<vector<int>>;
using vecvecl = vector<vector<long long>>;
const int MOD = 1000000007;
const double pi = acos(-1);


int main() {
    int N; cin >> N;
    ll H; cin >> H;
    vecl A(N);
    REP(i,N) {
        ll a; cin >> a;
        a = abs(a);
        A[i] = a;
    }
    ll ans = 1;
    REP(i,N) {
        ans *= A[i];
        ans %= H;
    }
    cout << (ans == 0 ? "YES" : "NO") << endl;
}