#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define FOR(I,A,B) for(int I = int(A); I < int(B); ++I)
#define FORR(I,A,B) for(ll I = ll((B)-1); I >= ll(A); --I)
const ll MOD=1000000007LL;
#define out(a) cout<<fixed<<setprecision((a))
ll gcd_(ll a,ll b){if(a%b==0)return b;return gcd_(b,a%b);}
ll lcm_(ll a,ll b){ll c=gcd_(a,b);return ((a/c)*b);}



int main(){
	ll N,H;
	cin >> N >> H;

	ll mul = 1;
	FOR(i,0,N){
		ll a;
		cin >> a;
		mul = mul*a % H;
	}

	if(mul==0){
		cout << "YES" << endl;
	}else{
		cout << "NO" << endl;
	}

}