#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

void solve() {
  ll n, m;
  cin >> n >> m;
  ll ga;
  cin >> ga;
  rep(i, n - 1) {
    ll a;
    cin >> a;
    ga = __gcd(ga, a);
  }
  ll gb;
  cin >> gb;
  rep(i, m - 1) {
    ll b;
    cin >> b;
    gb = __gcd(gb, b);
  }
  bool ok = gb % ga == 0;
  cout << (ok ? "Yes" : "No") << '\n';
}

int main() {
  std::cin.tie(nullptr);
  std::ios_base::sync_with_stdio(false);
  int T = 1;
  for (int t = 0; t < T; t++) {
    solve();
  }
  return 0;
}