strdata = input()
strdata_s = strdata.split(" ")
n_data = int(strdata_s[0])
baisu = int(strdata_s[1])
count=1
result=""

for num in range(n_data):
	count = count * int(int())
	if count%baisu==0:
		result = "YES"
		break
	else:
		result = "NO"

print(result)