using System;

public class CBMI

{

​

    // function to calculate BMI

    public static double BMI(double height, double weight)

    {

        double bmi = weight / Math.Pow(height, 2);

        return bmi;

    }

​

    static public void Main()

    {

        Console.WriteLine("Calculate your BMI");

        // Code

        Console.WriteLine("Please enter your weight:");

        var weight = Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("Please enter your height:");

        var height = Convert.ToDouble(Console.ReadLine());

​

        double bmi = BMI(height, weight);

        Console.Write("The BMI is " + bmi + " so it is ");

​

        string weightStatus = DetermineWeightStatus(bmi);

        Console.WriteLine(weightStatus);

    }

​

    static string DetermineWeightStatus(double bmi)

    {

        if (bmi < 18.5)

            return "underweight";

​

        else if (bmi >= 18.5 && bmi < 24.9)

            return "healthy";

​

        else if (bmi >= 24.9 && bmi < 30)

            return "overweight";

​

        else

            return "suffering from obesity";

    }

​

}

​