Problem:
Score : 100 points

Problem Statement

As a New Year's gift, Dolphin received a string s of length 19.

The string s has the following format: [five lowercase English letters],[seven lowercase English letters],[five lowercase English letters].

Dolphin wants to convert the comma-separated string s into a space-separated string.

Write a program to perform the conversion for him.

Constraints

The length of s is 19.

The sixth and fourteenth characters in s are ,.

The other characters in s are lowercase English letters.

Input

The input is given from Standard Input in the following format:

s

Output

Print the string after the conversion.

Sample Input 1

happy,newyear,enjoy

Sample Output 1

happy newyear enjoy

Replace all the commas in happy,newyear,enjoy with spaces to obtain happy newyear enjoy.

Sample Input 2

haiku,atcoder,tasks

Sample Output 2

haiku atcoder tasks

Sample Input 3

abcde,fghihgf,edcba

Sample Output 3

abcde fghihgf edcba

Solution in Haskell (GHC 7.10.3) (judge verdict: Runtime Error)

import Control.Applicative ((<$>))

diff begin end = end - begin

main :: IO ()
main = do
  [sx, sy, tx, ty] <- map read . words <$> getLine :: IO [Int]
  putStr (concat $ replicate (diff sy ty) "U")
  putStr (concat $ replicate (diff sx tx) "R")
  putStr (concat $ replicate (diff sy ty) "D")
  putStr (concat $ replicate (diff sx tx) "L")
  putStr "L"
  putStr (concat $ replicate ((diff sy ty) + 1) "U")
  putStr (concat $ replicate ((diff sx tx) + 1) "R")
  putStr "D"
  putStr "R"
  putStr (concat $ replicate ((diff sy ty) + 1) "D")
  putStr (concat $ replicate ((diff sx tx) + 1) "L")
  putStr "U"