from math import gcd


A, B = map(int, input().split())
S = list(map(int, input().split()))
T = list(map(int, input().split()))
gs, gt = S[0], T[0]
for i in S:
    gs = gcd(gs, i)
for i in T:
    gt = gcd(gt, i)


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