n, z = map(int, input().split())
zn = z**n
ans = False

for i in range(1, z+1):
    ipn = i**n
    sb = zn - ipn
    sqr = sb ** (1 / n)
    if sqr != 0 and sqr == int(sqr):
        ans = True
        break
print("Yes" if ans else "No")