#include <iostream>
#include <map>
#include <string>
#include <iterator>
#include <fstream>
#include <regex>

using namespace std;

int main(int argc, char **argv){
        map<string, int*> map1;
        string line, firstline;
        regex preg("(.+),.+");
        smatch match;
        map<string, int*>::iterator itr;
        int linecount = 0;

        for (int i=1; i<argc; ++i){
                linecount = 0;
                ifstream f(argv[i]);
                while (getline(f, line)){
                        linecount++;
                        if (linecount != 1){
                                if (regex_search(line, match, preg)){
                                        if (map1.count(match.str(1)) == 0) {
                                                int *count = new int[argc-1]();
                                                map1[match.str(1)]=count;
                                                map1[match.str(1)][i-1]=1;
                                        } else
                                                map1[match.str(1)][i-1]++;
                                }
                        } else {
                                if (regex_search(line, match, preg))
                                        firstline = match.str(1);
                        }
                }
                f.close();
        }

        cout << firstline;
        for (int i=1; i<argc; ++i)
                cout << "," << argv[i];
        cout << endl;
        for (itr=map1.begin(); itr!=map1.end(); itr++){
                cout << itr->first;
                for (int j=0; j<argc-1; j++)
                        cout << "," << itr->second[j];
                cout << endl;
        }
}