// This is a sample program that reads numbers from a file, reporting the sum
// of each line of the input file.

import java.util.*;
import java.io.*;

public class SumFile {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner input = new Scanner(new File("numbers.txt"));
        while (input.hasNextLine()) {
            String line = input.nextLine();
            Scanner data = new Scanner(line);
            double sum = 0.0;
            while (data.hasNextDouble()) {
                double next = data.nextDouble();
                sum = sum + next;
            }
            System.out.println("line sum = " + sum);
        }
    }
}