using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Body Mass Index Calculator");

        Console.WriteLine("Enter Height (inches):");

        double n1 = 0;   //creates a new variable for decimal values

        n1 = Convert.ToDouble(Console.ReadLine());   //read in one number to the variable n1

        Console.WriteLine("Enter Weight (lbs):");

        double n2 = 0;   //creates a new variable for decimal values

        n2 = Convert.ToDouble(Console.ReadLine());   //read in one number to the variable n2

        double n3 = n2*703;   //n3 is the product of users weight mulitplied by 703 which will be later divided 

        double n4 = Math.Pow(n1,2);  //n4 is users hieght squared

        double BMI = Math.Round(n3/n4);   //n3 is divided by n4 to give the rounded BMI

        Console.WriteLine("Your body mass index: " + BMI );  //Users BMI

        if (BMI<19)Console.WriteLine ("Your BMI is unhealthy. You are underweight. A healthy BMI is between 19 and 25."); //BMI is too low

        else if (BMI>25)Console.WriteLine ("Your BMI is unhealthy. You are overweight. A healthy BMI is between 19 and 25.");  //BMI is too high

        else Console.WriteLine ("Your BMI is healthy. Congrats. A healthy BMI is between 19 and 25.");   //BMI is healthy

    }

}