# import sys # import math #sqrt,gcd,pi,factorial # import decimal # import queue # queue # import bisect # import heapq # priolity-queue # from time import time # from itertools import product,permutations,\ # combinations,combinations_with_replacement # 重複あり順列、順列、組み合わせ、重複あり組み合わせ # import collections # deque # from operator import itemgetter,mul # from fractions import Fraction # from functools import reduce mod = int(1e9+7) # mod = 998244353 INF = 1<<50 def readInt(): return list(map(int,input().split())) def main(): n,h = readInt() a = readInt() ans = 1 for i in range(n): ans *= a[i] ans %= h if ans==0: print("YES") else: print("NO") return if __name__=='__main__': main()