package md4;
import java.util.Scanner;
public class Main {
 
    public static void main(String[] args) {
 
                         String surnames[]=
     {"Alksnis", "Berzinsh", "Celms", "Dadzis", "Eglitis", "Zalitis"};
                     int grades [][] = {
            {6, 6, 7, 7, 8, 5},
            {5, 6, 4, 9, 5, 7},
            {6, 6, 5, 6, 6, 7},
            {9, 8, 8, 9, 9, 8},
            {8, 7, 7, 8, 8, 7},
            {7, 5, 6, 5, 7, 6}
        };           
           double result = 0;
            int u;  
            double arifm;
            int i=0,j=0; //i=row, j=column
 
               Scanner input = new Scanner( System.in );
 
    System.out.println("0. Alksnis, 1. Berzinsh, 2. Celms, 3. Dadzis, 4. Eglitis, 5. Zalitis");
                // surnames
    i = input.nextInt(); // read number from user 
 
               System.out.println("priekkshmetu skaits no 1-6");
                u = input.nextInt(); // read number from user 
 
                for (j=0; j<u; j++) //choise how many grades
 
                    result= result + grades [i][j];  //summ of elements
 
                     arifm = result / j; 
 
                        System.out.println(surnames [i]+ " arithmetic average is  "  +arifm );
 
    }
}