(高精度运算4.7.23)POJ 1503 Integer Inquiry(大数累加)

package com.njupt.acm;

import java.math.BigInteger;
import java.util.Scanner;

public class POJ_1503 {

	public static void main(String[] args) {
		Scanner scanner = new Scanner (System.in);
		
		BigInteger sum = new BigInteger("0");
		while(scanner.hasNext()){
			BigInteger a = scanner.nextBigInteger();
			if(a.equals(new BigInteger("0"))){
				break;
			}
			
			sum = sum.add(a);
		}
		
		System.out.println(sum);
	}
}