import sys
input=lambda: sys.stdin.readline().rstrip()
n,z=map(int,input().split())
if n==1:
	if z==1:
		print("No")
	else:
		print("Yes")
elif n>=3:
	print("No")
else:
	zz=int(z**0.5)+1
	A=[int(i)**2 for i in range(1,zz)]
	A=set(A)
	for x in range(1,zz):
		if z-x**2 in A and x**2<z-x**2:
			print("Yes")
			break
		else:
			continue
	else:
		print("No")