HDU 1047 Integer Inquiry 大數相加

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

public class Main{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int T = scanner.nextInt();
        for (int i = 0; i < T; i++) {
            BigInteger ans = new BigInteger("0");
            while(scanner.hasNext()){
                BigInteger x = scanner.nextBigInteger();
                if(x.equals(new BigInteger("0"))) break;
                ans = ans.add(x);
            }
            System.out.println(ans);
            if(i < T - 1) System.out.println();
        }
    }
}