using System;

public class traffic

{

    public static void Main(string[] args) 

    {string colour= args[3];

     Console. Write("enter the colour");

     if(colour== Red) 

         {

         Console.Write("stop");

         }

     else if(colour==Yellow)

         {

         Console.Write("ready");

         }

     else if(colour==Green)

         {

         Console.Write("go");}}} 

​

​