n = gets.to_i

def prime?(n)
  root_n = Math.sqrt(n).to_i
  2.upto(n).each do |i|
    break if i > root_n
    return false if n % i == 0
  end
  true
end

primes = 2.upto(n).select do |i|
  prime?(i)
end

def calc(n, primes)
  lose_numbers = [2, 3]
  win_numbers = []
  while true
    win_numbers += primes.map do |prime|
      lose_numbers.map do |lose_number|
        prime + lose_number
      end.select do |x|
        x <= n
      end
    end.flatten.uniq
    lose_numbers += primes.map do |prime|
      win_numbers.map do |win_number|
        prime + win_number
      end.select do |x|
        x <= n
      end
    end.flatten.uniq
    lose_numbers -= win_numbers

    return true if win_numbers.include?(n)
    return false if lose_numbers.include?(n)
  end
end

win = calc(n, primes)
puts win ? 'Win' : 'Lose'