gru = [0]*(11)
for i in range(1,11):
    me = []
    for j in range(1,3):
        if i-j >= 0:
            me.append(gru[i-j])
    ans = 0
    while ans in me:
        ans+=1
    gru[i] = ans
n = int(input())
m = list(map(int,input().split()))
from collections import defaultdict
we = 0
for i in m:

    nd = defaultdict(int)
    con = 2
    while con**2 <= i:
        if i%con == 0:
            nd[con] +=1
            i /= con
        else:
            con+=1
    if i != 1:
        nd[i]+=1
    ans = 0
    for j in nd:
        ans = ans^gru[nd[j]]
    we = we^ans
print("Alice" if we != 0 else "Bob")