// Project: ComputeAverage
// Module: ave4
// Source code file: Average.java
// Enter name and quiz score pairs separated by commas.
// Terminate the list with Control-D.
// Output average of scores.
// Sample input list:
// Alice,96
// Bob,84
// Chloe,98
// Danny,100
// ^D

import java.lang.*;
import java.util.Scanner;
public class Average {
    public static void main(String[ ] args) {
        Scanner s = new Scanner(System.in);
        double sum = 0.0;
        int count = 0;
        System.out.println("Enter name, quiz score pairs " +
                "separated by commas, one pair per line.");
        System.out.println("Terminate input list with ^D.");
        while (s.hasNextLine( )) {
            String line = s.nextLine( );
            String[ ] fields = line.split(",");
            String name = fields[0];
            int score = Integer.parseInt(fields[1]);
            sum += score;
            count++;
        }
        if (count > 0) {
            System.out.println("Average: " + sum / count);
        }
        else {
            System.out.println("No scores were input.");
        }
    }
}