#include <algorithm>
#include <vector>
#include <iostream>
#include <fstream>
#include <string>
#include <iomanip>
using namespace std;

//void print_vector(vector<string> st) {
	//for(cons)
//}

int main() {
	ifstream input("C:\\Users\\hrachyh\\Desktop\\f.txt");
	string rows, columns;
	getline(input, rows, ' ');
	int row = stoi(rows);
	//cout << row << endl;

	getline(input, columns);
	int column = stoi(columns);
	//cout << column << endl;
	int alw = column;
	while (row != 0) {
		vector <string> str_vect;
		string stf1;
		while (column != 0) {

			if (column == 1) {
				getline(input, stf1, '\n');
				str_vect.push_back(stf1);
			}
			else {
				getline(input, stf1, ',');
				str_vect.push_back(stf1);
			}

			column -= 1;
		}
		str_vect.push_back("end");
		for (const string& a : str_vect) {
			if (a != "end") {
				cout <<' '<< setw(10) << a;
			}
		}
		if (row != 1) {
			cout << endl;
		}

	row -= 1;
	column = alw;
}
	return 0;
}