using System;

public class Program

{

    public static void Main()

    {

      bool indicator = true;

      while(indicator != false)

      {

        Console.WriteLine("\n0-10 = blue\n11-20 = red\n21-30 = green\n31-40 = yellow\n41-50 = orange");

        Console.WriteLine("\nInput a number from 1-50: ");

        int numberValue = Convert.ToInt32(Console.ReadLine());

        if (numberValue >= 0 && numberValue <= 10)

        {

         Console.WriteLine("blue");

        }

​

        if (numberValue >= 11 && numberValue <= 20)

        {

         Console.WriteLine("red");

        }

​

        if (numberValue >= 21 && numberValue <= 30)

        {

         Console.WriteLine("green");

        }

​

        if (numberValue >= 31 && numberValue <= 40)

        {

         Console.WriteLine("yellow");

        }

​

        if (numberValue >= 41 && numberValue <= 50)

        {

         Console.WriteLine("orange");

        }

​

​

      {

​

}

}

​

​

​

    }

}