杭电 1047 Integer Inquiry

import java.io.*;

import java.util.*;

import java.math.*;

public class Main {

       public static void main(String args[])

       {

    	   Scanner cin=new Scanner(System.in);

    	   int t;

    	   t=cin.nextInt();

    	   for(int i=1;i<=t;i++)

    	   {

    		   BigInteger a,s,b;

    		   s=BigInteger.valueOf(0);

    		   b=BigInteger.valueOf(0);

    		   while(cin.hasNextBigInteger())

    		   {

    			   a=cin.nextBigInteger();

    			   if(a.compareTo(b)==0)

    				   break;

    			   s=s.add(a);

    		   }

    		   System.out.println(s);

    		   if(i!=t)

    		   {

    			   System.out.println();

    		   }

    	   }

       }

}