n=int(input())
m=list(map(int,input().split()))

def fact(n):
  fct=[]
  b,e=2,0
  while b*b<=n:
    while n%b==0:
      n=n//b
      e=e+1
    if e>0:
      fct.append((b,e))
    b,e=b+1,0
  if n>1:
    fct.append((n,1))
  return fct

g=[0]*(10**4+1)
g[1]=0
for i in range(2,10**4+1):
  L=[0]*100
  f=fact(i)
  for j in range(len(f)):
    L[g[i//f[j][0]]]=1
    if f[j][1]>1:
      L[g[i//(f[j][0]**2)]]=1
  for j in range(len(L)):
    if L[j]==0:
      g[i]=j
      break

x=0
for i in range(n):
  x^=g[m[i]]
if x==0:
  print('Bob')
else:
  print('Alice')