题解 | 多组_A+B_零尾模式

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextInt()){
            
            int a  = sc.nextInt();
            int b  = sc.nextInt();
            if(a != 0 && b != 0){
            System.out.println(a+b);
            }
        }
        
    }
}