def gcd(a, b):
  while a != 0:
    b %= a
    if b == 0: return a
    a %= b
  return b

a,b = map(int,input().split())
T = list(map(int,input().split()))
S = list(map(int,input().split()))
g = 0
gg = 0
for i in range(a):
  g = gcd(g,T[i])
for i in range(b):
  gg = gcd(gg,S[i])
ans = 'No'
if gg % g == 0:
  ans = 'Yes'
print(ans)