intstr=input()
input_s = intstr.split(" ")

A_num = int(input_s[0])
B_num = int(input_s[1])

if A_num < 0:
	A_hosei=-A_num
else:
	A_hosei=A_num

if B_num < 0:
	B_hosei=-B_num
else:
	B_hosei=B_num


if B_hosei%A_hosei == 0:
	print(int(B_num/A_num))
else:
	print("NO")