Super Hard Sum

import java.math.BigDecimal;
import java.util.Scanner;
/**
 * Super Hard Sum
 * @author alefhidalgo [at] gmail [dot] com
 */

public class SuperHardSum {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        Scanner lineScanner = null;
        BigDecimal sum = BigDecimal.ZERO;
        while (in.hasNextLine()) {
            lineScanner = new Scanner(in.nextLine());
            while (lineScanner.hasNextBigDecimal()) {
                sum = sum.add(lineScanner.nextBigDecimal());
            }
            System.out.println(sum);
            sum = BigDecimal.ZERO;
        }

    }
}