require 'prime'

class Yukicoder
  def initialize
    n = gets.chomp.to_i
    result = Hash.new(false)

    3.upto(n) do |i|
      Prime.each(i) do |j|
        if (i - j) > 1 && !result[i-j]
          result[i] = true
          break
        end
      end
    end

    if result[n]
      puts "Win"
    else
      puts "Lose"
    end
  end
end

Yukicoder.new