# frozen_string_literal: true

def solve
  return 'Lose' if N == 2 || N == 3

  require 'prime'
  primes = Prime.each(10_000).to_a

  result = (4..N).each_with_object([false, false]) do |i, r|
    r << primes.select { _1 <= i - 2 }.any? { !(r[N - 2 - _1]) }
  end

  result[-1] ? 'Win' : 'Lose'
end

N = gets.to_i

puts solve