using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        // Get user input

        Console.WriteLine("Health Report");

        Console.WriteLine("Enter your last name: ");

        string lastName = Console.ReadLine();

        Console.WriteLine("Enter your first name: ");

        string firstName = Console.ReadLine();

​

        Console.WriteLine("Enter your year of birth: ");

        int yearOfBirth = int.Parse(Console.ReadLine());

​

        Console.WriteLine("Enter your height (in m): ");

        double heightM = double.Parse(Console.ReadLine());

​

        Console.WriteLine("Enter your weight (in kg): ");

        double weightKg = double.Parse(Console.ReadLine());

        Console.WriteLine("Enter your waistline (in cm): ");

        double waistlineCm = double.Parse(Console.ReadLine());

​

        Console.WriteLine("Enter the current year: ");

        int currentYear = int.Parse(Console.ReadLine());

​

        // Calculate age

        int age = currentYear - yearOfBirth;

        // Calculate bone density (example formula)

        double boneDensity = (weightKg - age) * 0.2;

        // Calculate body fat percentage (example formula)

        double bodyFatPercentage = (waistlineCm * 0.74 - weightKg *.08-40)/ weightKg * 100;

​

        // Calculate BMI

        double bmi = weightKg / (heightM * heightM);

​

​

       // Display the health report

        Console.WriteLine("\nHealth Report Card");

        Console.WriteLine("Name: " + lastName + ", " + firstName);

        Console.WriteLine("Age: " + age);

        Console.WriteLine("Height: " + heightM + "m");

        Console.WriteLine("Weight: " + weightKg + " kg");

        Console.WriteLine("Waistline: " + waistlineCm + " cm ");

        Console.WriteLine("Bone Density: " + boneDensity);

        Console.WriteLine("Body Fat Percentage: " + bodyFatPercentage + "%");

        Console.WriteLine("BMI: " + Math.Round(bmi, 1));

    }

}