using System;

public class Program

{

    public static void Main()

    {

        //Dan Jeremeel Fernández González

        int x = 0;

        string z, d = "Dan", a = "dan", n = "DAN";

        Console.WriteLine("Hello! I bet you can't guess my name. Try to do it.");

        z = Console.ReadLine();

        while (z!=d && z!=a && z!=n)

        {

            Console.WriteLine("Nope. That's not my name.");

            x++;

            z = Console.ReadLine();

        }

        Console.WriteLine("YES! You guessed my name. How did you do it? It took you around " + x + " times to guess it.");

    }

}