n, z = map(int, input().split())
zp = pow(z, n, 10 ** 9)

for x in range(1, z):
    x = pow(x, n, 10 ** 9)
    for y in range(1, z):
        y = pow(y, n, 10 ** 9)
        if x + y == zp:
            print("Yes")
            exit()
print("No")