题解 | #HTTP状态码#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextInt()) {
            int ans = sc.nextInt();
            switch (ans) {
                case 200:
                    System.out.println("OK");
                    break;
                case 202:
                    System.out.println("Accepted");
                    break;
                case 400:
                    System.out.println("Bad Request");
                    break;
                case 403:
                    System.out.println("Forbidden");
                    break;
                case 404:
                    System.out.println("Not Found");
                    break;
                case 500:
                    System.out.println("Internal Server Error");
                    break;
                case 502:
                    System.out.println("Bad Gateway");
                    break;

            }
        }
    }
}