import Control.Monad (replicateM)

main :: IO ()
main = putStrLn . unwords . map show . solve =<< readLn

solve :: Int -> [Int]
solve k = (++ [1]) . map succ . init . build $ [1 .. 2 ^ k - 1]

build :: [Int] -> [Int]
build [] = []
build xs = xs !! l : build a ++ build b
    where l = length xs `div` 2
          a = take l xs
          b = drop (succ l) xs