#include<bits/stdc++.h>
using namespace std;
#define int long long
#define REP(i,m,n) for(int i=(m);i<(n);i++)
#define rep(i,n) REP(i,0,n)
#define pb push_back
#define all(a) a.begin(),a.end()
#define rall(c) (c).rbegin(),(c).rend()
#define mp make_pair
#define endl '\n'
#define vec vector<ll>
#define mat vector<vector<ll> >
#define fi first
#define se second
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> pll;
typedef long double ld;
typedef complex<double> comp;
const ll INF=1e9+7;
const ll inf=INF;
const ll MOD=998244353;
const ll mod=MOD;
const int MAX=200010;

signed main(){
    ll n,h;cin>>n>>h;
    ll x=1;
    rep(i,n){
        ll a;
        cin>>a;
        x=a*x%h;
    }
    cout<<(x?"NO":"YES")<<endl;
}