using System;

namespace _10.EmployeeData
{
    class EmployeeData
    {
        static void Main()
        {
            //Console.Write("Enter your first name: ");
            //string firstName = Console.ReadLine();

            //Console.Write("Enter your last name: ");
            //string lastName = Console.ReadLine();

            while (true)
            {
                Console.Write("Enter your age: ");
                byte age = byte.Parse(Console.ReadLine());
                if (age < 1 || age > 99)
                {
                    Console.WriteLine("ERROR! The age shoud be > 1 and < 99! Try again!" + Environment.NewLine);
                }
                else
                {
                    while (true)
                    {
                        Console.Write("Enter your gender (m/f): ");
                        char gender = char.Parse(Console.ReadLine());
                        if (gender != 'm' & gender != 'M' & gender != 'f' & gender != 'F')
                        {
                            Console.WriteLine("The gender shoud be \"f\" for Female or \"m\" for Male. Try again!" + Environment.NewLine);
                        }
                        else
                        {
                            while (true)
                            {
                                Console.Write("Enter your Personal ID: ");
                                string personalID = Console.ReadLine();

                                if (personalID.Length != 10)
                                {
                                    Console.WriteLine("The Personal ID shoud be 10 numbers. Try agein!" + Environment.NewLine);
                                }
                                else
                                {
                                    while (true)
                                    {
                                        Console.Write("Enter your Unique number: : ");
                                        string employeeNumber = (Console.ReadLine());
                                        if (employeeNumber.Length != 8)
                                        {
                                            Console.WriteLine("The Unique number shoud be 8 numbers. Try agein!" + Environment.NewLine);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}