sourche code sewa kamar c#

using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int ktp, lamainap, nokamar, hargakamar, harga1 = 500000, harga2 = 400000, harga3 = 200000;
            double bayar1, bayar,diskon;
            string nama, s;
            Console.Write(" Masukkan Nama Pelanggan\t :");
            nama = Console.ReadLine();
            Console.Write("Masukkan No.KTP \t :");
            s = Console.ReadLine();
            ktp = int.Parse(s);
            Console.Write("Masukkan lama inap\t :");
            s = Console.ReadLine();
            lamainap = int.Parse(s);
            bayar = double.Parse(s);
            bayar1 = double.Parse(s);
            diskon=double.Parse(s);
            hargakamar = int.Parse(s);
            Console.WriteLine(" Pilih Nomor Kamar");
            Console.WriteLine("1. VIP ");
            Console.WriteLine("2. UTAMA ");
            Console.WriteLine("3. STANDAR ");
            Console.Write("Masukkan Nomor kamar \t :");
            s = Console.ReadLine();
            nokamar = int.Parse(s);
            switch (nokamar)
            {
                case 1:
                    hargakamar = harga1;
                    Console.WriteLine(" Harga Rp : " + harga1);
                    break;
                case 2:
                    hargakamar = harga2;
                    Console.WriteLine(" Harga Rp : " + harga2);
                    break;
                case 3:
                    hargakamar = harga3;
                    Console.WriteLine(" Harga Rp : " + harga3);
                    break;
                default:
                    Console.WriteLine(" Salah Memasukkan Pilihan , pilih antara (1-3)");
                    break;
            }
                  
                    bayar1 = lamainap * hargakamar;
                    Console.ReadLine();
                    if(bayar1 >= 1500000)
                    {
                        diskon=bayar1 * 10 / 100;
                        Console.WriteLine(" Anda Mendapat dikon sebesar " +diskon);
                        Console.ReadLine();
                    }
                    else if(bayar1 >= 1000000)
                    {
                        diskon = bayar1 * 5 / 100;
                        Console.WriteLine(" Anda Mendapat dikon sebesar " +diskon);
                        Console.ReadLine();
                    }
                    else
                    {
                        diskon = 0;
                        Console.WriteLine(" Anda Tidak dapat Diskon "+diskon);
                        Console.ReadLine();
                    }
                    bayar=bayar1-diskon;
                    Console.WriteLine(" === Hotel Mawar ===");
                    Console.WriteLine(" Nama Pelanggan : " +nama);
                    Console.WriteLine(" NO KTP : " +ktp);
                    Console.WriteLine(" Lama Inap : " +lamainap);
                    Console.WriteLine(" Bayar : " +bayar1);
                    Console.WriteLine(" Diskon : " +diskon);
                    Console.WriteLine(" Total Bayar : "+bayar);
                    Console.ReadLine();
            }
        }
    }

(Dashed)