require 'prime'

N = gets.to_i

primes = Prime.each(10000).to_a
dp     = Array.new(N + 1)

0.upto(N) do | i |
  case i
  when 0, 1
    dp[i] = true
  when 2, 3
    dp[i] = false
  else
    dp[i] = false
    primes.each do | p |
      break if p > i
      unless dp[i - p] # falseのところまで素数で辿り着けるならtrue. (=Win
        dp[i] = true
        break
      end
    end
  end
end
puts dp[N] ? 'Win' : 'Lose'