from math import sqrt


def main():
    """ main """
    N = int(input())

    if N < 4:
        return 'Alice'

    res = 0
    sqrt_n = int(sqrt(N))

    for i in range(2, sqrt_n):
        cnt = 0
        while N % i == 0:
            N /= i
            cnt += 1
        res ^= cnt

    if N != 1:
        res ^= 1

    return 'Bob' if res == 0 else 'Alice'


print(main())