from collections import defaultdict
import sys
readline=sys.stdin.readline

def Factorize(N):
    assert N>=1
    factors=defaultdict(int)
    for p in range(2,N):
        if p**2>N:
            break
        while N%p==0:
            factors[p]+=1
            N//=p
    if N!=1:
        factors[N]+=1
    return factors

N=int(readline())
grundy=0
for M in map(int,readline().split()):
    for p,e in Factorize(M).items():
        grundy^=e%3
if grundy:
    ans="Alice"
else:
    ans="Bob"
print(ans)