N = int(input())
Num = [i for i in range(10001)]
Ans = 0
for i in range(2, 10001):
    if i != Num[i]: continue
    P = 0
    while N % i == 0:
        N //= i
        P += 1
    Ans ^= P
    for j in range(i + i, 10001, i):
        Num[j] = 0
if N != 1: Ans ^= 1
print('Alice' if Ans else 'Bob')