require "prime"
n = gets.to_i
lose_num = []
(2..n).each do |i|
  win = false
  lose_num.each do |j|
    if Prime.instance.prime?(i - j)
      win = true
      break
    end
  end
  if ! win
    lose_num << i
  end
end
if lose_num.include?(n)
  puts "Lose"
else
  puts "Win"
end