import Control.Monad
import Control.Applicative
import Data.List
import qualified Data.Map as Map
import Data.Array
import qualified Data.ByteString.Char8 as BC
import Data.Maybe
strToInt s = (read :: String -> Int) s
b2i xs = foldl (\x y -> 2 * x + y) 0 $ map (\x -> read [x]) xs
i2b = concat . (map show) . reverse . i2b' where i2b' 0 = []; i2b' n = mod n 2 : i2b' (div n 2)

main = do
    ham <- getLine
    let answ1 = show $ i2b $ 2 * (b2i $ conv ham)
    let answ2 = foldr (++) [] (map ans answ1)
    putStrLn $ answ2
    
ans :: Char -> String
ans '0' = "ham"
ans '1' = "hamu"
ans _ = ""

conv :: String -> String
conv [] = []
conv ham = if (length ham) <= 3
           then "0"
           else if (take 4 ham) == "hamu"
                then "1" ++ conv (drop 4 ham)
                else "0" ++ conv (drop 3 ham)