import java.text.DecimalFormat;
import java.util.Scanner;
public class ComputeGrade5
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        System.out.print("How many homework assignments are there?");
        String input = scan.next();
        int total = Integer.parseInt(input);
        //System.out.print("There are " + total+  " homework assignments");
        double average=0;
        for(int i = 1; i <= total; i++)
        {
            System.out.print("What was the grade for Assignment " + i + "?");
            average = average + scan.nextDouble();
        }

        average = average/total;

        DecimalFormat newThing = new DecimalFormat("#,###,###0.00");
        double thing = average;
        System.out.println("\nYour average assignment is " + newThing.format(thing));

        System.out.print("\nWhat is your midterm exam score?");
        String midterm = scan.next();

        System.out.print("What is your final exam score");
        String finalExam = scan.next();

        int midtermScore = Integer.parseInt(midterm);
        int finalExamScore = Integer.parseInt(finalExam);

        double TotalAverage;
        TotalAverage = (average*total + midtermScore + finalExamScore) / (total + 2);

        DecimalFormat someThing = new DecimalFormat("#,###0.00");
        System.out.print("\nYour average for the class is a " + someThing.format(TotalAverage));


    }

    }