n=int(input())
a=list(map(int,input().split()))
from collections import defaultdict as df
def  p(n):
    t = df(int)
    for i in range(2, int(n**0.5)+1):
        while n % i == 0:
            t[i] += 1
            n //= i
    if n > 1:
        t[n] += 1
    return t

ap = []
ans = 0
for i in range(n):
    d=p(a[i])
    t = 0
    for j in d.values():
        t^=j%3
    ans ^= t

print('Bob' if ans == 0 else 'Alice')
        
    
    
"""
012012

"""