// CSE 142, Summer 2008 (Marty Stepp)
// This program reads a file of numbers and outputs their sum and average.

import java.io.*;    // File
import java.util.*;  // Scanner

public class Echo {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner input = new Scanner(new File("numbers.txt"));
		
		double sum = 0.0;
		int count = 0;
		while (input.hasNext()) {
			if (input.hasNextDouble()) {
				// read number and add to sum
				double number = input.nextDouble();
				System.out.println("number = " + number);
				sum = sum + number;
				count++;
			} else {
				input.next();   // not a number; skip this token
			}
		}

		double average = sum / count;
		System.out.println("Sum = " + sum);
		System.out.println("Average = " + average);
	}
}