from math import gcd

a, b = map(int, input().split())
T = list(map(int, input().split()))
S = list(map(int, input().split()))

gt = 0
for t in T:
    gt = gcd(gt, t)
gs = 0
for s in S:
    gs = gcd(gs, s)

if gs % gt == 0:
    print("Yes")
else:
    print("No")