#OS LAB1/4

#OS LAB1/4 made by Fensa08
import java.io.*;
        import java.util.ArrayList;
        import java.util.Collections;
        import java.util.Scanner;

public class HW01_4 {


    public static void main(String args[]) throws IOException {

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        FileReader file = new FileReader("rezultati.csv");
        String pole = in.readLine();
        BufferedReader bu = new BufferedReader(file);
        ArrayList<String> proseci = new ArrayList<>();
        String line = null;
        int index=0;
        float prosek = 0;
        float prosekK = 0;
        int colLen = 1;
        line = bu.readLine();
        String []pom = line.split(",");

        //Cita prv red, bara indeks na barana kolona
        for(int i = 0; i < pom.length;i++){
            if(pom[i].equals(pole)){
                index = i;
            }
        }

        while((line = bu.readLine()) != null){
            pom = line.split(",");
            prosek = 0;
            for(int i = 1; i < pom.length;i++){
                if(i == index){
                    prosekK += Integer.parseInt(pom[i]);
                    colLen++; // go dodava na prosekot za kolona
                }
                prosek += Integer.parseInt(pom[i]);
            }
            String linija = "Prosekot na " + pom[0] + " e: " + (prosek/(pom.length-1));
            proseci.add(linija);
        }
        String linija = "Prosekot za "  + pole + " e: " + (prosekK/(colLen-1));
        proseci.add(linija);


        //Printanje podatok
        for(String i : proseci){
            System.out.println(i);
        }
    }
}