424 - Integer Inquiry

題目:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=365

import java.util.*;
import java.lang.*;
import java.math.BigInteger;

public class Main{
 
 public  static void main(String[] args) {
  Scanner k = new Scanner(System.in);
  int index=0;
  BigInteger data = new BigInteger("0");
  while(k.hasNext()){
   String input = k.next();
   if(input.equals("0")){
    System.out.println(data.toString());
    break;
   }
   data=data.add(new BigInteger(input));
      
  }
 }
 
 
 }