require 'prime'

MAX_N = 10000

@dp = [nil]*(MAX_N + 1)

def check(n)
  n.downto(2) do |i|
    next if !i.prime?
    next if [0,1].include?(n-i)
    return @dp[n] = true if !check(n-i)
  end
  return @dp[n] = false
end

def main
  n = gets.to_i
  ans = check(n) ? "Win" : "Lose"
end

puts main()