using System;

public class Program

{

    public static void Main()

    {

        string userName, password;

        string cUserName;

        string cPassword;

        Console.WriteLine("Regisration");

        Console.Write("Username: ");

            userName = Console.ReadLine();

            Console.Write("Password: ");

            password = Console.ReadLine();

            Console.WriteLine("Succseful Registration!");

            Console.Clear();

                Console.WriteLine("Type your username");

                cUserName = Console.ReadLine();

               {

                if (cUserName = userName)

                    Console.WriteLine("Type your password");

                        cPassword = Console.ReadLine();

                        {

                        if (cPassword = password)

                            Console.WriteLine("Weclome" + cUserName + "to the system");

                            else Console.Clear();

                        }

                        else Console.Clear();

               }

    }

}