import Data.List

sortSnd x y | snd x < snd y = LT
            | otherwise     = GT

rInt :: String -> Int
rInt = read

divcards (c:cs) = (c, n)
    where
        n   | head cs == 'A'    = 1
            | otherwise         = rInt cs

isfstChar c x = c == fst x

sTupleList :: [(Char, Int)] -> [String]
sTupleList [] = []
sTupleList (t:ts) = (fc ++ sc) : sTupleList ts
    where
        fc = [fst t]
        sc  | snd t == 1    = "A"
            | otherwise     = show $ snd t

main = do
    getLine
    cards <- sortBy sortSnd . map divcards . words <$> getLine
    putStrLn $ unwords $ sTupleList $ (filter (isfstChar 'D') cards) ++ (filter (isfstChar 'C') cards) ++ (filter (isfstChar 'H') cards) ++ (filter (isfstChar 'S') cards)