dd

using System;
using System.Globalization;

namespace Библиотека___2
{
    class Program
    {
        static void Main(string[] args)
        {
            string needBooks = Console.ReadLine();
            int availableBoks = int.Parse(Console.ReadLine());

            int checkedBooks = 0;
            while (availableBoks > 0)
            {
                string giveBooks = Console.ReadLine();

                if (needBooks == giveBooks)
                {
                    Console.WriteLine($"You checked {checkedBooks} books and found it.");
                    break;
                }
                else
                {
                    checkedBooks++;
                }
                availableBoks--;
            }
            if (availableBoks <= 0)
            {
                Console.WriteLine("The book you search is not here.");
                Console.WriteLine($"You checked {checkedBooks} books.");
            }

        }
    }
}