gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

internal class Program
{
    static void Main(string[] args)
    {
        string password = "friend";
        string tempWord;
        int attempts = 3;
        
        while(attempts > 0)
        {
            Console.WriteLine($"Скажи, друг, и войди, осталось попыток: {attempts}");
            tempWord = Console.ReadLine();
            
            if(tempWord == password)
            {
                Console.WriteLine("Пароль верен, можете войти");
                break;
            }
            attempts--; 
        }
    }
}