using System;

​

class Program

{

    static void Main()

    {

        Console.Write("Enter your weight (in kilograms): ");

        if (double.TryParse(Console.ReadLine(), out double weight))

        {

            Console.Write("Enter your height (in meters): ");

            if (double.TryParse(Console.ReadLine(), out double height))

            {

                // Calculate BMI

                double bmi = weight / (height * height);

​

                // Determine the BMI category using the ternary operator

                string category = bmi < 18.5 ? "Underweight" :

                                 bmi < 25 ? "Normal" :

                                 bmi < 30 ? "Overweight" :

                                 "Obese";

​

                Console.WriteLine($"Your BMI is: {bmi:F2}");

                Console.WriteLine($"BMI Category: {category}");

            }

            else

            {

                Console.WriteLine("Invalid input for height. Please enter a valid number.");

            }

        }

        else

        {

            Console.WriteLine("Invalid input for weight. Please enter a valid number.");

        }

    }

}

​