def Prime(n):
  p = 2
  q = 0
  ans = []
  while p <= n**0.5:
    while n % p == 0:
      n //= p
      q += 1
    if q == 0:
      p += 1
      continue
    ans.append([p,q])
    p += 1
  if n > 1:
    ans.append([n,1])
  return ans

N = int(input())
M = list(map(int,input().split()))
G = []
print(Prime(4))
for i in range(N):
  m = M[i]
  pm = Prime(m)
  g = 0
  for p,q in pm:
    q %= 3
    g ^= q
  G.append(g)

ans = 0
for g in G:
  ans ^= g
if ans != 0:
  print('Alice')
else:
  print('Bob')