Photo pictures not working C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Photos
{
    class Program
    {
        static void Main(string[] args)
        {


            int countFotos = int.Parse(Console.ReadLine());
            string type = Console.ReadLine();
            string typeOfOrder = Console.ReadLine();

            double onePeicePrize = 0;
            double countDiscount = 0;

            switch (type)
            {
                case "9X13":
                    onePeicePrize = 0.16;
                    if (countFotos >= 50)
                    {
                        countDiscount = 0.95;
                    }
                    break;
                case "10X15":
                    onePeicePrize = 0.16;
                    if (countFotos >= 80)
                    {
                        countDiscount = 0.97;
                    }
                    break;
                case "13X18":
                    onePeicePrize = 0.38;
                    if (countFotos >= 50 && countFotos <= 100)
                    {
                        countDiscount = 0.97;
                    }
                    else if (countFotos > 100)
                    {
                        countDiscount = 0.95;
                    }
                    break;
                case "20X30":
                    onePeicePrize = 2.90;
                    if (countFotos >= 10 && countFotos <= 50)
                    {
                        countDiscount = 0.93;
                    }
                    else if (countFotos > 50)
                    {
                        countDiscount = 0.91;
                    }
                    break;
                default:
                    Console.WriteLine("def");
                    break;
            }

                    double sum = countFotos * onePeicePrize * countDiscount;

            if (type == "online") sum *= 0.98;
                    Console.WriteLine("{0:f2}BGN", sum);
                    Console.ReadLine();


        }
        }
    }