import Control.Applicative import Control.Monad import qualified Data.ByteString.Char8 as B import Data.Maybe (fromJust) import Text.Printf import Debug.Trace class MemoIx a where index :: a -> Integer unindex :: Integer -> a instance MemoIx Integer where index n | n >= 0 = n*2 | otherwise = -n*2-1 unindex n | n `mod` 2 == 0 = n `div` 2 | otherwise = -((n+1) `div` 2) instance (MemoIx a, MemoIx b) => MemoIx (a,b) where index (a,b) = l*(l+1) `div`2 + ib where ia = index a ib = index b l = ia+ib unindex ix = (unindex ia, unindex ib) where l = floor ((-1 + sqrt (1+8*fromIntegral ix))/2) ib = ix - l*(l+1) `div` 2 ia = l - ib data Tree a = Tree a (Tree a) (Tree a) findTree :: MemoIx a => Tree b -> a -> b findTree tree ix = f (bits $ index ix + 1) tree where bits = tail . reverse . map (`mod` 2) . takeWhile (>0) . iterate (`div` 2) f [] (Tree v _ _) = v f (0:bs) (Tree _ l _) = f bs l f (1:bs) (Tree _ _ r) = f bs r genTree :: MemoIx a => (a -> b) -> Tree b genTree f = gen 0 where gen i = Tree (f $ unindex i) (gen (i*2+1)) (gen (i*2+2)) memofix :: MemoIx a => ((a -> b) -> (a -> b)) -> (a -> b) memofix f = memof where memof = f $ findTree tbl tbl = genTree memof memo :: MemoIx a => (a -> b) -> a -> b memo f = findTree (genTree f) primes = it [2..10000] where it [] = [] it (x:xs) = (x:) $ it $ filter (\a -> a`mod`x /= 0) xs iswin = memo f where f x | x <= 3 = False | otherwise = not $ and $ map (iswin . (\p -> x-p)) $ takeWhile (<=x-2) primes answer n = if iswin n then "Win" else "Lose" main = do n <- readLn :: IO Integer putStrLn $ answer n