require 'Prime'
N=gets.to_i
p=Prime.prime_division(N)
idx=p.map{|m|m[1]}
a=idx.map{|m|m==1 ? 1 : 2}
b=[a.count(2),a.count(1)]

if b[0].zero? && b[1].nonzero?
  puts :Alice
elsif b[0].even? && b[1].odd?
  puts :Bob
else
  puts :Alice
end