N = int(input())

x = 0
b = 2
e = 0
while N > 1:
    while N % b == 0:
        N //= b
        e += 1
    if  e > 0:
        x ^= e
    b += 1
    e = 0

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