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++14 (GCC 5.4.1) (judge verdict: Accepted)

#include <bits/stdc++.h>
using namespace std;

int main()
{
  string s;
  int a, k = 0;
  cin >> s;
  for (int i = 0; i < 3; i++)
  {
    if (i % 2 == 0)
      a = 5;
    else
      a = 7;
    for (int j = 0; j < a; j++)
    {
      cout << s[k];
      k++;
    }
    if (i != 2)
    {
      cout << ' ';
      k++;
    }
  }
  cout << '\n';
}