import collections,sys,math,functools,operator,itertools,bisect,heapq,decimal,string,time,random
#sys.setrecursionlimit(10**9)
#sys.set_int_max_str_digits(0)
#input = sys.stdin.readline
#n = int(input())
#
#alist = []
#s = input()
n,m = map(int,input().split())
#for i in range(n):
#    alist.append(list(map(int,input().split())))
alist = list(map(int,input().split()))
blist = list(map(int,input().split()))
x = functools.reduce(math.gcd,alist)
for i in blist:
    if i % x != 0:
        exit(print('No'))
print('Yes')