N=int(input())
M=list(map(int,input().split()))

def prime_factorize(n):
    a = []
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a

g=0
for i in M:
    a=(prime_factorize(i))
    tmp=a[0]
    count=1
    for j in range(1,len(a)):
        if tmp==a[j]:
            count+=1
        else:
            g^=count%3
            count=1
            tmp=a[j]
    g^=count%3
if g:
    print("Alice")
else:
    print("Bob")