N = int(input())

X = 0
d = 2
while N > 1:
    e = 0
    while N % d == 0:
        e += 1
        N //= d
    X ^= e
    d += 1

if N > 1:
    X ^= 1

if X == 0:
    print("Bob")
else:
    print("Alice")