using System;

namespace switchCase
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Enter Colour Of Trafic Light");
            string colour = Console.ReadLine();

            switch (colour)
            {
                case "Green":
                    {
                        Console.WriteLine("This is a green trafic light");
                        break;
                    }

                case "Yellow":
                    {
                        Console.WriteLine("This is a yellow light");
                        break;
                    }



                case "Red":
                    {
                        Console.WriteLine("This is a Red light");
                        break;

                    }
                default:
                    {
                        Console.WriteLine(" This is not a trafic light ");
                        break;

                    }




            }
        }
    }
}