using System;

public class Program

{

    public static void Main()

    {

        // Prompt Memeberhship Levels

        Console.WriteLine("Please enter our membership level (1-4)");

        Console.WriteLine("1. Bronze");

        Console.WriteLine("2. Silver");

        Console.WriteLine("3. Gold");

        Console.WriteLine("4. Platinum");

        //Get User to Respond

        string strResponse = Console.ReadLine();

        int iMembership;

        double dDiscountRate = 0; // Will Store Discount Rate

        //Check user response for a whole number

         if (!Int32.TryParse(strResponse, out iMembership))

        {

            Console.WriteLine("Invalid Response. Please enter a whole number (1-4).");

            return;

        }

        // Validate membership number range is between 1 and 4

        if (iMembership < 1 || iMembership > 4)

        {

            Console.WriteLine("Non-existent membership level. Please enter a whole number between 1 and 4.");

            return; 

        }

         // Switch Case

        switch (iMembership)

        {

                //apply 5% discount

        case 1: 

                Console.WriteLine("Bronze Membership selected.");

                dDiscountRate = 5; 

                break;

                //apply 10% discount

        case 2: 

                Console.WriteLine("Silver Membership selected.");

                dDiscountRate = 10; 

                break;

                //apply 15% discount

        case 3:

                Console.WriteLine("Gold Membership selected.");

                dDiscountRate = 15; 

                break;

                //apply 20% discount

        case 4:

                Console.WriteLine("Platinum Membership selected.");

                dDiscountRate = 20;

                break;

            default:

                break;

        }

        // Show user discount rate

        Console.WriteLine("Your discount rate is: "+ dDiscountRate + "%");

    }

}