题解 | #四季#

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 in = new Scanner(System.in);
        String str = in.next();
        int month = Integer.parseInt(str.substring(4));
        if (month >= 3 && month <= 5) {
            System.out.println("spring");
        } else if (month >= 6 && month <= 8) {
            System.out.println("summer");
        } else if (month >= 9 && month <= 11) {
            System.out.println("autumn");
        } else {
            System.out.println("winter");
        }
    }
}