05. Login

using System;
using System.Linq;

namespace Login
{
    class Program
    {
        static void Main(string[] args)
        {
            string user = Console.ReadLine();
            string pass = string.Empty;
            bool isPass = false;

            for (int i = user.Length - 1; i >= 0; i--)
            {
                pass += user[i];
            }

            for (int i = 0; i < 3; i++)
            {
                if (pass == Console.ReadLine())
                {
                    Console.WriteLine($"User {user} logged in.");
                    isPass = true;
                    break;
                }
                Console.WriteLine("Incorrect password. Try again.");
            }

            if (!isPass)
            {
                Console.WriteLine(pass == Console.ReadLine() ? $"User {user} logged in." : $"User {user} blocked!");
            }
        }
    }
}