using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    {BMI}

    {underweight><}

    {normal weight><}

    {overweight><}

    {obesityclass I}

    {obesityclass II}

    [obesityclass III}

     {18.5 "underweight<>";}

     {24.9 "normaL";}

     {29.9 "overweight;}