require 'prime'
N = gets.to_i
P = Prime.each(10000).to_a
dp = Array.new(N + 1)
dp[0] = dp[1] = true
(2 .. N).each do |i|
  j = 0
  until j >= P.size || P[j] > i
    if !dp[i - P[j]]
      dp[i] = true
      break
    end
    j += 1
  end
end
puts dp[N] ? "Win" : "Lose"