// #include <bits/allocator.h> // Temp fix for gcc13 global pragma
// #pragma GCC target("avx2,bmi2,popcnt,lzcnt")
// #pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
// #include <x86intrin.h>
using namespace std;
#if __cplusplus >= 202002L
using namespace numbers;
#endif
#ifdef LOCAL
	#include "Debug.h"
#else
	#define debug_endl() 42
	#define debug(...) 42
	#define debug2(...) 42
	#define debugbin(...) 42
#endif



int main(){
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(ios::badbit | ios::failbit);
	int n, m;
	cin >> n >> m;
	int g = 0;
	for(auto i = 0; i < n; ++ i){
		int x;
		cin >> x;
		g = gcd(g, x);
	}
	for(auto j = 0; j < m; ++ j){
		int x;
		cin >> x;
		if(x % g){
			cout << "No\n";
			return 0;
		}
	}
	cout << "Yes\n";
	return 0;
}

/*

*/