/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
import java.util.Scanner;
import java.io.*;


/**
 *
 * @author Pel
 */
public class FileProg3 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    throws FileNotFoundException, IOException{
        Scanner input4= new Scanner(new File("averages.txt"));
        String pathname="averages.txt";
        File file=new File(pathname);
        Scanner input =null;

        try
        {
            input4=new Scanner(file);
        }
        catch(FileNotFoundException ex)
        {
            System.out.println("***cannot open "+pathname+"***");
            System.exit(1);
        }


        int numGrade=input4.nextInt();
        int numKid=0;
        int sum=0;
        int totalSum=0;
        while(input4.hasNext())
        {
            System.out.print(input4.next());
            numKid++;

            for(int x=0;x<numGrade;x++)
            {
                sum=input4.nextInt()+sum;


            }
            totalSum=totalSum +sum;
            int average=sum/numGrade;


            System.out.print(" "+average);
            sum=0;
            System.out.println();

        }
        int totalAverage=totalSum/(numKid*numGrade);
        System.out.println(numKid+" kids took the test");
        System.out.println("Average= "+totalAverage);



    }






}