C# 계절 판정

using System;

namespace Season
{
    class Program
    {
        static void Main(string[] args)
        {   //변수 선언 및 입력
            int input = int.Parse(Console.ReadLine());
            // 계절 판정 조건문
            switch(input)
            {
                case 3:
                case 4:
                case 5:
                    Console.WriteLine("봄입니다!");
                    break;
                case 6:
                case 7:
                case 8:
                    Console.WriteLine("여름입니다!");
                    break;
                case 9:
                case 10:
                case 11:
                    Console.WriteLine("가을입니다!");
                    break;
                case 12:
                case 1:
                case 2:
                    Console.WriteLine("겨울입니다!");
                    break;
            }
        }
    }
}