n,z=map(int,input().split())
if n==1:
	print("Yes")
else:
	a=0
	for x in range(1,30):
		if x>=z:
			break
		for y in range(1,30):
			if y>=z:
				break
			a+=x**n+y**n==z**n
	print(["No","Yes"][a>0])