egn

using System;

namespace Loop
{
    class ForEachLoop
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Enter your date of birth:");

            Console.Write("Year: ");  //yyyy
            int year = int.Parse(Console.ReadLine());
            Console.Write("Month: ");
            int month = int.Parse(Console.ReadLine());
            Console.Write("Day: ");
            int day = int.Parse(Console.ReadLine());
            Console.Write("Region: ");
            string region = Console.ReadLine();
            Console.Write("Gender: ");    //(m)male of(f)female
            string gender = Console.ReadLine();


            int yearSum= year % 100;

            int regionNumber = 0;

            int counter = 0;
            int sum = 0;


            if (region == "Blagoevgrad")
            {
                Random random = new Random();
                regionNumber = random.Next(000, 04);
                counter = 2;
            }
            else if (region == "Burgas")
            {
                Random random = new Random();
                regionNumber = random.Next(04, 09);

            }
            else if (region == "Varna")
            {
                Random random = new Random();
                regionNumber = random.Next(09, 13);

            }
            else if (region == "Veliko tarnovo")
            {
                Random random = new Random();
                regionNumber = random.Next(14, 16);

            }
            else if (region == "Vidin")
            {
                Random random = new Random();
                regionNumber = random.Next(17, 18);

            }
            else if (region == "Vraca")
            {
                Random random = new Random();
                regionNumber = random.Next(18, 21);

            }
            else if (region == "Gabrovo")
            {
                Random random = new Random();
                regionNumber = random.Next(21, 23);

            }
            else if (region == "Kyrdzhali")
            {
                Random random = new Random();
                regionNumber = random.Next(23, 28);

            }
            else if (region == "Kyustendil")
            {
                Random random = new Random();
                regionNumber = random.Next(28, 30);

            }
            else if (region == "Lovech")
            {
                Random random = new Random();
                regionNumber = random.Next(30, 31);

            }
            else if (region == "Montana")
            {
                Random random = new Random();
                regionNumber = random.Next(32, 34);
            }
            else if (region == "Pazardzhik")
            {
                Random random = new Random();
                regionNumber = random.Next(34, 37);
            }

            else if (region == "Pernik")
            {
                Random random = new Random();
                regionNumber = random.Next(37, 39);
            }
            else if (region == "Pleven")
            {
                Random random = new Random();
                regionNumber = random.Next(39, 43);
            }
            else if (region == "Plovdiv")
            {
                Random random = new Random();
                regionNumber = random.Next(43, 50);
            }
            else if (region == "Razgrad")
            {
                Random random = new Random();
                regionNumber = random.Next(50, 52);
            }
            else if (region == "Ruse")
            {
                Random random = new Random();
                regionNumber = random.Next(53, 55);
            }
            else if (region == "Silistra")
            {
                Random random = new Random();
                regionNumber = random.Next(55, 57);
            }
            else if (region == "Sliven")
            {
                Random random = new Random();
                regionNumber = random.Next(57, 60);
            }
            else if (region == "Smolyan")
            {
                Random random = new Random();
                regionNumber = random.Next(60, 62);
            }
            else if (region == "Sofia city")
            {
                Random random = new Random();
                regionNumber = random.Next(62, 72);
            }
            else if (region == "Sofia district")
            {
                Random random = new Random();
                regionNumber = random.Next(72, 75);
            }
            else if (region == "Stara zagora")
            {
                Random random = new Random();
                regionNumber = random.Next(75, 78);
            }
            else if (region == "Dobrich")
            {
                Random random = new Random();
                regionNumber = random.Next(79, 82);
            }
            else if (region == "Tyrgovishte")
            {
                Random random = new Random();
                regionNumber = random.Next(82, 84);
            }
            else if (region == "Haskovo")
            {
                Random random = new Random();
                regionNumber = random.Next(84, 87);
            }
            else if (region == "Shumen")
            {
                Random random = new Random();
                regionNumber = random.Next(87, 90);
            }
            else if (region == "Jambol")
            {
                Random random = new Random();
                regionNumber = random.Next(90, 92);
            }

            if (gender == "m")
            {
                counter = 2;
            }
            else
            {
                counter = 1;
            }


            int firstNum = year % 10;
            int secondNum = (year / 10) % 10;
            int thirdNum = (month / 10) % 10;
            int fourthNum = month % 10;
            int fifthNum = (day / 10) % 10;
            int sixthNum = day % 10;
            int seventhNum = (regionNumber / 10) % 10;
            int eighthNum = regionNumber % 10;
            int ninethNum = counter;

            int sumOfLastNumber = (firstNum * 2) + (secondNum * 4) + (thirdNum * 8) + (fourthNum * 5) + (fifthNum * 10) + (sixthNum * 9) + (seventhNum * 7) + (eighthNum * 3) + (ninethNum * 6);

            int tenthNum = sumOfLastNumber % 11;




            Console.WriteLine($"{yearSum:d2}{month:d2}{day:d2}{regionNumber:d2}{counter}{tenthNum}");
        }
    }
}