import Control.Monad

rInt :: String -> Int
rInt = read

game [] = []
game ([n, k]:nks)
    | (n - 1) `mod` (k + 1) > 0 = "Win" : game nks
    | otherwise                 = "Lose" : game nks

main = do
    n <- readLn
    nks <- map ((map rInt) . words) <$> replicateM n getLine
    mapM_ putStrLn $ game nks