N = gets.to_i
primes = Array.new(N+1, true)
win_list = Array.new(N+1, false)

primes[0] = false
primes[1] = false
win_list[0] = true
win_list[1] = true

2.upto(N) do |i|
  if primes[i]
    (i*2).step(N, i) do |x|
      primes[x] = false;
    end
  end

  2.upto(i) do |j|
    if primes[j] && !win_list[i - j]
      win_list[i] = true
    end
  end
end

puts win_list[N] ? "Win" : "Lose"