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 C# (Mono 4.6.2.0) (judge verdict: Runtime Error)

using System;
using System.Collections.Generic;
using System.Linq;

namespace abc051

{
    public class Program
    {
        public static void Main(string[] args)
        {
            

            string[]str = Console.ReadLine().Split(' ');
            int k =  Convert.ToInt32(str[0]);
            int s = Convert.ToInt32(str[1]);

            int x, y, z = 0;

            int cnt = 0;

            for(x = 0; x <= k; x++)
            {
                for(y = 0; y <= k; y++)
                {
                    z = s - (x + y);

                    if (z>=0 &&z<=k)
                    {
                        cnt++;
                    }
                }
            }

            Console.WriteLine(cnt);
        }
    }
}