1080: a+b(多实例测试3)
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);while(cin.hasNext()){
int a=cin.nextInt();int b=cin.nextInt();if(a==0&&b==0) break;System.out.println(a+b);}}
}