using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Do you want a milk with your coffee (yes or no)?");

        string selection = Console.ReadLine();

        if (selection =="No" );

        {

            Console.WriteLine("Your bill is R10 ");

        }

        else

        {

            Console.WriteLine("Your bill is R 15");

}

​

​