using System;

namespace MyCompiler {
    class Program {
        public static void Main(string[] args) {
            Console.WriteLine("HI");
            {
                Console.WriteLine("Anup Kumar Tirkey is a Mechanical Engr");
                {
                    Console.WriteLine("Robot mechancis is a Dynamic Mechanics.");
                    {
                        Console.WriteLine(Math.Sqrt(91));
                        {
                            Console.WriteLine(Math.Abs(-6.5));
                            {
                                Console.WriteLine(Math.Round(9.999));
                            }
                        }
                    }
                }
            }
        }
    }
}