#include <bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using namespace std;
using ll = long long;
const ll mod = 998244353;
#define fi first
#define se second
#define rep(i,n) for(ll i=0;i<n;i++)
#define all(x) x.begin(),x.end()
#define faster ios::sync_with_stdio(false);cin.tie(nullptr)

ll gcd(ll a,ll b){
    if(a==0) return b;
    return gcd(b%a,a);
}

int main() {
    ll a,b;
    cin >> a >> b;
    vector<ll> t(a),s(b);
    rep(i,a) cin >> t[i];
    rep(i,b) cin >> s[i];
    ll g=0;
    rep(i,a) g=gcd(g,t[i]);
    bool ok=true;
    rep(i,b) if(s[i]%g!=0) ok=false;
    if(ok){
        cout << "Yes" << endl;
    }else{
        cout << "No" << endl;
    }
    return 0;
}