hdu 3787 A+B

import java.util.*;import java.math.BigInteger;public class Main {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubScanner In=new Scanner(System.in);String s1,s2;while(In.hasNext()){//多组输入s1=In.next();s2=In.next();s1=s1.replaceAll(",", "");//删除“，”s2=s2.replaceAll(",", "");BigInteger b1=BigInteger.valueOf(Integer.parseInt(s1));//把字符串转化为数字BigInteger b2=BigInteger.valueOf(Integer.parseInt(s2));b1=b1.add(b2);//大数相加System.out.println(b1.toString());}}}