using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        for (int i = 0; i < 1000; i++)

        {

            var res = new Random().Next(1, 9).ToString();

            if(res == "9")

            {

                throw new Exception("wow");

            }

        }

        Console.WriteLine("Bug");

    }

}