题解 | #牛牛的对齐#

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        if (a >= 0 && b <= 1000) {//按照题目要求判断一下范围
            System.out.print(a + b);
        } else {
            System.out.print("输入范围有误");
        }
    }
}