using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter your username");

        string username = Console.ReadLine();

        Console.WriteLine("Enter your password");

        string password = Console.ReadLine();

        int tamaño = username.Length; 

        bool usernameCorrecto = username.Contains(" ");

        if ((username == "admin" || (username.lenght > 6&& password.length >8)) && username.Contains(" "))

    }

}