require "prime"
divs = Prime.prime_division(gets.to_i)
ds_list = {}
divs.each do |d|
  ds_list[d[1]] = 0 unless ds_list[d[1]]
  ds_list[d[1]] += 1
end
flag = false
if ds_list.size == 1
  flag = true
elsif ds_list.size.even?
  ds_list.each do |key, value|
    if value.odd?
      flag = true
      break
    end
  end
else
  odd_list = []
  ds_list.each do |key, value|
    if value.odd?
      odd_list << key
    end
  end
  odd_list.sort!
  if odd_list.size != 3 ||
      odd_list[0] + 1 != odd_list[1] ||
      odd_list[1] + 1 != odd_list[2]
    flag = true
  end
end
if flag
  puts "Alice"
else
  puts "Bob"
end