using System;

namespace app61
{
    class app61
    {
        static void Main(string[]args)
        {
            Console.WriteLine("Hello World");
            {
                Console.WriteLine("Anup Kumar Tirkey is a Mechanical Engineer");
                {
                    Console.WriteLine("NIT");
                    {
                        Console.WriteLine("Anup Kumar is a Civil Officer");
                    }
                }
            }
        }
    }
}