using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.Write("Вид прожекция: ");

        string type = Console.ReadLine();

        Console.Write("Брой редове: ");

        int r = int.Parse(Console.ReadLine());

        Console.Write("Брой клони: ");

        int c = int.Parse(Console.ReadLine());

        int full = r * c;

        double total = 0;

        switch (type)

        {

            case "Premiere" : total = full * 12.00; break;

            case "Normal": total = full * 7.50;break;

            case "Discount": total = full * 5.00;break;

        }

        Console.WriteLine("Общи приходи: {0:f2} лв.", total);

    }

}