n = int(input())
a = list(map(int, input().split()))
def fact(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append(cnt)
    if temp!=1:
        arr.append(1)
    if arr==[]:
        arr.append(1)
    return arr

xor=0
for num in a:
    g_sub=0
    f=fact(num)
    for e in f:
        g_sub ^= (e%3)

    xor ^= g_sub

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