require 'prime'

inputs = STDIN.readlines.map(&:chomp)
N = inputs[0].to_i

class Calc
  def initialize
    @primes = Prime.instance.each(N).to_a
    @memos = Array.new(N)
  end

  def dp(n, turn)
    if n == 0 || n == 1
      winner_is_me = true
    elsif !@memos[n].nil?
      winner_is_me = @memos[n]
    else
      ps = @primes.take_while { |p| p < n }.reverse
      winner_is_me = ps.any? { |p|
        dp(n - p, !turn) == turn
      }
    end
    @memos[n] = winner_is_me
    !(turn ^ winner_is_me)
  end
end

puts Calc.new.dp(N, true) ? 'Win' : 'Lose'