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using System;

namespace ConsoleApp3
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string sicretMassage = "секрет!";
            string pass = "asdf123";
            int contOfTry = 3;
            int index;
            string userPass = "";

            for (index = 0; index < contOfTry; index++)
            {
                Console.Write($"Введите пароль: ");
                userPass = Console.ReadLine();

                if (userPass == pass)
                {
                    Console.WriteLine(sicretMassage);
                    break;
                }
                else
                {
                    Console.WriteLine("Неверный пароль!");
                }
            }
        }
    }
}