using System;

​

public class Program

{

    public static void Main()

    {

        Console.Write("Enter a character: ");

        char c = (char)Console.ReadLine()[0];

        if (Char.IsLower(c))

        {

            Console.WriteLine("The character is lowercase.");

        }

        else if (Char.IsUpper(c))

        {

            Console.WriteLine("The character is uppercase.");

        }

        else if (Char.IsDigit(c))

        {

            Console.WriteLine("The character is a digit");

        }

        else

        {

            Console.WriteLine("The character isn't an alphabetic character.");

        }

    }

}