namespace TwoCaptcha
{
    public class Scraper
    {
        static void Main(string[] args)
        {
            //...

            // declare solution variable
            string solution = null;

            try
            {
                // call the Solve method to solve the ReCaptcha
                solver.Solve(captcha).Wait();
                solution = captcha.Code;

                // print the captcha solution
                Console.WriteLine("Captcha solved: " + solution);
            }
            catch (AggregateException e)
            {
                // if an error occurs during captcha solving, catch the AggregateException and print the error message
                Console.WriteLine("Error occurred: " + e.InnerExceptions.First().Message);
            }
        }
    }
}