using System;

​

namespace AgeInputApp

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.Title = "Information Application";

            bool runAgain = true;

​

            while (runAgain)

            {

                try

                {

                    RunApplication();

                }

                catch (Exception ex)

                {

                    DisplayError($"An unexpected error occurred: {ex.Message}");

                }

​

                runAgain = PromptToContinue();

            }

​

            Console.WriteLine("\nThank you for using the application!");

            Console.ReadKey();

        }

​

        static void RunApplication()

        {

            Console.Clear();

            Console.WriteLine("Information Application!\n");

​

            string name = GetName();

            int age = GetAge();

​

            Console.ForegroundColor = ConsoleColor.Green;

            Console.WriteLine($"\nHello, {name}! You are {age} years old.");

            Console.ResetColor();

        }

​

        static string GetName()

        {

            string name;

            do

            {

                Console.Write("Please enter your name: ");

                name = Console.ReadLine().Trim();

​

                if (string.IsNullOrWhiteSpace(name))

                {

                    DisplayError("Name cannot be empty. Please try again.\n");

                }

​

            } while (string.IsNullOrWhiteSpace(name));

​

            return name;

        }

​

        static int GetAge()

        {

            int age;

            bool isValid;

            Console.WriteLine("\nPlease enter your age:");

​

            do

            {

                Console.Write("Age (0-150 years): ");

                string input = Console.ReadLine();

                isValid = int.TryParse(input, out age);

​

                if (!isValid)

                {

                    DisplayError("Invalid input. Please enter a whole number.\n");

                }

                else if (age < 0 || age > 150)

                {

                    DisplayError("Age must be between 0 and 150. Please try again.\n");

                    isValid = false;

                }

​

            } while (!isValid);

​

            return age;

        }

​

        static bool PromptToContinue()

        {

            Console.Write("\nWould you like to run the application again? (Y/N): ");

            var response = Console.ReadLine().Trim().ToUpper();

            return response == "Y" || response == "YES";

        }

​

        static void DisplayError(string message)

        {

            Console.ForegroundColor = ConsoleColor.Red;

            Console.WriteLine($"Error: {message}");

            Console.ResetColor();

        }

    }

}