module Main where

import Control.Applicative
import Data.Char

main :: IO ()
main = putStrLn =<< toHam . toStr. (*2) . toNum . toNumStr <$> getLine

toNumStr :: String -> String
toNumStr [] = []
toNumStr xs = if length xs >= 4 && take 4 xs == "hamu"
    then '1' : toNumStr (drop 4 xs)
    else '0' : toNumStr (drop 3 xs)

toNum :: String -> Int
toNum = foldl (\sum x -> sum * 2 + digitToInt x) 0

toStr :: Int -> String
toStr int
    | int == 0  = "0"
    | otherwise = dropWhile (=='0') . reverse . rec $ int
    where
        rec 0 = []
        rec n = intToDigit (n `mod` 2) : rec (n `div` 2)

toHam :: String -> String
toHam = foldr (\x y -> (if x == '1' then "hamu" else "ham") ++ y) []