def solve():
    N = int(input())

    nim_sum = 0

    m = N
    for p in range(2, N + 1):
        if p*p > N:
            break

        cnt = 0

        while m % p == 0:
            cnt += 1
            m //= p

        nim_sum ^= cnt

    if m > 1:
        nim_sum ^= 1

    print('Alice' if nim_sum else 'Bob')

if __name__ == '__main__':
    solve()