/* -*- coding: utf-8 -*-
 *
 * 2811.cc:  No.2811 Calculation Within Sequence - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_N = 200000;

/* typedef */

/* global variables */

int ts[MAX_N], ss[MAX_N];

/* subroutines */

template <typename T>
T gcd(T m, T n) {  // m >= 0, n >= 0
  if (m < n) swap(m, n);
  while (n > 0) {
    T r = m % n;
    m = n;
    n = r;
  }
  return m;
}

int gcdv(int n, int as[]) {
  int g = 0;
  for (int i = 0; i < n; i++) g = gcd(g, as[i]);
  return g;
}

/* main */

int main() {
  int a, b;
  scanf("%d%d", &a, &b);
  for (int i = 0; i < a; i++) scanf("%d", ts + i);
  for (int i = 0; i < b; i++) scanf("%d", ss + i);

  int tg = gcdv(a, ts);
  int sg = gcdv(b, ss);

  if (sg % tg == 0) puts("Yes");
  else puts("No");
  
  return 0;
}