#yuki_103

n=int(raw_input())
m=map(int,raw_input().split())
res=0
for i in xrange(n):
 for j in xrange(2,m[i]+1):
  cnt=0
  while m[i]%j==0:
   cnt+=1
   m[i]/=j
  res^=cnt%3

if res==0:
 print 'Bob'
else:
 print 'Alice'