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: Wrong Answer)

//#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main() {
	int cnt = 0, s, goal, k, n, m, a[1000] = {}, b[1000] = {}, c[1000] = {}, g[100][100] = {}, gs[100][100] = {};
	scanf("%d %d", &n, &m);
	for (int i = 0; i < m; i++) {
		scanf("%d %d %d", &a[i], &b[i], &c[i]);
		g[a[i]-1][b[i]-1] = g[b[i]-1][a[i]-1] = gs[a[i]-1][b[i]-1] = gs[b[i]-1][a[i]-1] = c[i];
	}

	for (s = 0; s < n; goal++) {
		for (goal = 0; goal < n; goal++) {
			for (k = 0; k < n; k++) {
				if (g[s][goal] > g[s][k] + g[k][goal])
					g[s][goal] = g[s][k] + g[k][goal];
			}
		}
	}
	for (int i = 0; i < n*n; i++) {
		s = i / n;
		goal = i % n;
		if (g[s][goal] < gs[s][goal])
			cnt++;
	}
	printf("%d\n", cnt/2);
	return 0;
}