#include <iostream>
#include <string>
#include <cstring>
#include <algorithm>
//using namespace std;

int main()
{
    std::string mySub;
    char toRemove[]=".-";

    getline(std::cin,mySub);


    unsigned int n= mySub.length();
    for(unsigned int i=0; i < n;++i){
        if (mySub[i]==','){

            mySub.insert(i, 1,' ');
            i++;
            n++;
        }
    };

    for(unsigned int i=0;i < strlen(toRemove);++i){
        mySub.erase(std::remove(mySub.begin(), mySub.end(), toRemove[i]),mySub.end());
    };




    std::cout << mySub;
    return 0;
}