N = int(input())

X = 0
b = 2
while b * b <= N:
    e = 0
    while N % b == 0:
        N //= b
        e += 1
    
    X ^= e
    b += 1

if N > 1:
    X ^= 1

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