require 'prime'
n = gets.to_i
dp = Array.new(n + 1, false)
primes = Prime.each(n).to_a
2.upto(n) do |i|
  primes.each do |p|
    break if i-p <= 1
    if dp[i-p] == false
      dp[i] = true
      break
    end
  end
end
puts dp[n] ? 'Win' : 'Lose'