5.Login - C# Fundamentals

using System;

namespace demo
{
    class Program
    {
        static void Main()
        {
            string username = Console.ReadLine();
            string password = string.Empty;
            int count = 0;
            bool isLoged = true;
            for (int i = username.Length - 1; i >= 0; i--)
            {
                password += username[i];
            }

            string command = Console.ReadLine();

            while (password != command)
            {
                count += 1;
                if (count > 3)
                {
                    Console.WriteLine($"User {username} blocked!");
                    isLoged = false;
                    break;
                }
                Console.WriteLine("Incorrect password. Try again.");
                command = Console.ReadLine();
            }
            if (isLoged)
            {
                Console.WriteLine($"User {username} logged in.");
            }

        }
    }
}