n = int(input())
a = list(map(int, input().split()))
M = 10**6
bp = [0] * (M+10)
for i in range(2, M+10):
    if bp[i] == 0:
        bp[i] = i
        for j in range(i*i, M+1, i):
            bp[j] = i
def fact(n):
    arr=[]
    while n>1:
        now=n
        cnt=0
        p=bp[now]
        while now % p == 0:
            now//=p
            cnt+=1
        arr.append([p,cnt])
        n=now
    return arr

from functools import lru_cache
@lru_cache(maxsize=None)
def grundy(n):
    f = fact(n)
    if len(f)==0:
        return 0 # prime
    s=set()
    for p,cnt in f:
        s.add(n//p)
        if cnt>=2:
            s.add(n//(p*p))
    g_set = set([grundy(i) for i in s])
    g = 0
    while g in g_set:
        g+=1
    return g

xor=0
for num in a:
    xor^=grundy(num)
if xor==0:
    print("Bob")
else:
    print("Alice")