n,z = map(int, input().split())

ans = 'No'
zz = int(z**.5)+1
A = set([int(i)**2 for i in range(1, zz)])

if n < 2 and z > 1:
	ans = 'Yes'

if n == 2:
	for x in range(1, zz):
		if z-x*x in A and 2*x*x < z:
			ans = 'Yes'

print(ans)