很简单的一题，直接看代码就可以了

import java.util.Scanner;
public class Main {
    static int f(String a,String b){
        a=a.replace(",","");
        b=b.replace(",","");
        return Integer.valueOf(a)+Integer.valueOf(b);
    }
public static void main(String[] args) {
    Scanner scan=new Scanner(System.in);
    while(scan.hasNext())
        System.out.println(f(scan.next(),scan.next()));

}
}