n, z = map(int, input().split())
if n == 1:
    print("Yes")
elif n == 2:
    z = z ** 2
    vs = set()
    for x in range(10**5):
        x = x*x
        if x > z:
            print("No")
            break
        vs.add(x)
        if z-x in vs:
            print("Yes")
            break
else:
    print("No")