from math import gcd

a, b = map(int, input().split())
T = list(map(int, input().split()))
S = list(map(int, input().split()))
gt = T[0]
for i in range(a):
    gt = gcd(gt, T[i])
gs = S[0]
for i in range(b):
    gs = gcd(gs, S[i])
     
print("Yes") if gs % gt == 0 else print("No")