using System;
using System.Threading;

namespace Kirill_Lox
{
    class Program
    {
        public static string[] Try = new string[] { "gelbyukjh", "ljkjqg ghtplbtynf", "lfblbnsyfeq" };
        public static bool flag = true;
        static void Main(string[] args)
        {
            var periodicity = new TimeSpan(0, 0, 1);
            Thread th = new Thread(Timer);
            th.Start(periodicity);
            Chek();
            Console.ReadKey();
        }

        public static void Timer(object periodicity)
        {
            var time = default(TimeSpan);
            var thePeriodicity = (TimeSpan)periodicity;
            while (flag != false)
            {
                Thread.Sleep(thePeriodicity);
                time = time.Add(thePeriodicity);
            }
            Console.WriteLine(time);
            Console.ReadKey();
        }

        public static void Chek()
        {
            int miss = 0;
            for (int i = 0; i < Try.Length; i++)
            {
                Console.WriteLine(Try[i]);
                string key = Console.ReadLine();
                if (Try[i].ToLowerInvariant().Contains(key))
                {
                    Try[i].Replace(key, " ");
                    miss = Try[i].Length;
                }
                if (miss > 0)
                {
                    Console.WriteLine("Try again");
                    i -= 1;
                }
            }
            flag = false;
            Console.WriteLine($"Количество ошибок - {miss}");
        }
    }
}