using System;

public class Program

{

    public static void Main()

    {

  // 1. Create variables to store each of the fields the user will be expected to provide. Namely,

    //      a   First Name

    //      b Last Name

    //      c   Year Born

    //      d   Weight (in kg)

    //      e   Waistline (in cm)

​

    Console.WriteLine("Please provide the following information:");

    //Student note: Basic instructions for the user. However, the user's input and the assigned variables are coded in part 2 below.

    //  2. Prompt the user to enter information for each field by printing a message to the console.

    //     Assign the appropriate variable to the user's response by reading the next console line. 

    //     Remember what you read from the console is text!

​

        Console.WriteLine("Enter you first Name:");

          string sFirst = Console.ReadLine();

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

          string sLast = Console.ReadLine();

        Console.WriteLine("Enter the year you were born:");

          string sYear = Console.ReadLine();

        Console.WriteLine("Please provide your body weight (in kg):");

          string sWeight = Console.ReadLine();

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

          string sWaistline = Console.ReadLine();

    Console.WriteLine("Thank you for providing information about yourself, " + sFirst + " " + sLast + "!");

    //  3. Convert the variables to a type that allows for arithmetic operation, if arithmetic is needed. 

        double dYear = Convert.ToDouble(sYear);

        double dWeight = Convert.ToDouble(sWeight);

        double dWaistline = Convert.ToDouble(sWaistline);

​

    //  4. Do your calculations. Declare corresponding variables.

      //Calculate age, bone density, and body fat percentage.

​

        double dAge = (2022 - dYear);

        double dBoneDensity = ((dWeight - dAge) * 0.2);

        double dBodyFat = ((dWaistline * 0.74 - dWeight * 0.08 - 40) / dWeight * 100);

​

    //  5. Print back all information to the user.  Remember to format the output nicely!

​

    Console.WriteLine("Your age is: " + dAge);

    Console.WriteLine("Your bone density is: " + " " + dBoneDensity);

    Console.WriteLine("Your body fat percentage is:" + " " + dBodyFat);

    Console.WriteLine("Have a good day, " + sFirst + " " + sLast + "!");

​

  }

}