题目1003：A+B

import java.io.BufferedInputStream;
import java.math.BigInteger;
import java.util.Scanner;
 
public class Main{  
    static  BigInteger  a , b ;
    public static void main(String[] args) {
        Scanner   in  = new  Scanner( new  BufferedInputStream(System.in));
        while(in.hasNext()){
            a = new BigInteger(in.next().replaceAll(",", ""));
            b  = new  BigInteger(in.next().replaceAll(",", ""));
            System.out.println(a.add(b).toString());
        }
    }
}
 
/**************************************************************
    Problem: 1003
    User: Mokaffe
    Language: Java
    Result: Accepted
    Time:80 ms
    Memory:15556 kb
****************************************************************/