#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    setlocale(0, "");

    char *str = new char[101];
    char *strcopy = new char [101];

    cout << "Ââåäèòå ñòîêó\n";
    gets(str);

    for (int i = 0; i < strlen(str); i++)
    {
        if ((str[i] == ',') && (str[i + 1] != ' '))
        {
            //str.replace(i, 1 , ", ");
            strcat(str, " ");
        }
    }

    cout << str << endl;

    delete [] str;
    return 0;
}