N = int(input())
res = 0
for i in range(2,N+1):
    if i*i>N:
        break
    if N%i==0:
        sm = 0
        while N%i==0:
            sm += 1
            N //= i
        res ^= sm
if N!=1:
    res ^= 1
if res!=0:
    print('Alice')
else:
    print('Bob')