import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

a, b = na()
x = na()
y = na()
from math import gcd
g = 0
for i in range(a):
    g = gcd(g, x[i])

for i in range(b):
    if y[i] % g:
        print("No")
        exit()
print("Yes")