#include <bits/stdc++.h>
#include <atcoder/all>
using mint = atcoder::static_modint<998244353>;
//using mint = atcoder::static_modint<1000000007>;
using namespace std;
using namespace atcoder;
using ld = long double;
using ll = long long;
#define mp(a,b) make_pair(a,b)
#define rep(i,s,n) for(int i=s; i<n; i++)
const vector<int> dx{1,0,-1,0},dy{0,1,0,-1};

template<typename T>
void compress(vector<T>&a, bool is_unique=false){
    auto b=a;
    sort(b.begin(),b.end());
    if(is_unique){
        auto p=unique(b.begin(),b.end());
        b.erase(p,b.end());
    }
    for(auto&x:a)x=lower_bound(b.begin(),b.end(),x)-b.begin();
}

int main(){
    int a,b;
    cin >> a >> b;
    vector<int> t(a),s(b);
    rep(i,0,a)cin >> t[i];
    rep(i,0,b)cin >> s[i];
    int g=t[0];
    for(auto x:t)g=gcd(g,x);
    string ans="Yes";
    rep(i,0,b)if(s[i]%g!=0)ans="No";
    cout << ans;
}