-- yukicoder My Practice
-- author: Leonardone @ NEETSDKASU
-- http://yukicoder.me/problems/25
-- 解説読んだ後

import Data.List
import qualified Data.Set as Set

main = do
    n <- readLn
    putStrLn $ solve n

solve n =
    let
        p = primeNumbers n
        s = Set.fromAscList [0,1]
        r = resultMap p [2..n] s
    in
        if Set.member n r then "Win" else "Lose"

resultMap _ [] s = s
resultMap p (x:xs) s =
    let
        f _ [] s = s
        f x (p:ps) s
            | v < 0 = s
            | Set.notMember v s = f x ps $ Set.insert x s
            | otherwise = f x ps s
            where
                v = x - p
        ss = f x p s
    in
        resultMap p xs ss

primeNumbers n = f [2..n]
    where
        f [] = []
        f (x:xs) = x : f [z | z <- xs, (z `mod` x) > 0]