using System;

​

public class Program

{

    public static void Main()

    {

        // Display line to user

        Console.WriteLine("Enter any number:");

        // Wait for user's input

        String InputStr = Console.ReadLine();

        // Check if the input string is a number or not

        try

        {

            int Input = Int32.Parse(InputStr);

            // if Input is divisible by 4 and divisible by 7

            if (Input % 4 == 0 && Input % 7 == 0)

            {

                Console.WriteLine(String.Format("{0} is divisible by 7 and 4", Input));

            } // if input is divisible by 4

            else if (Input % 4 == 0)

            {

                Console.WriteLine(String.Format("{0} is divisible by 4", Input));

            } // if input is divisible by 7

            else if (Input % 7 == 0)

            {

                Console.WriteLine(String.Format("{0} is divisible by 7", Input));

            } // if input is not divisible by 7 or 4

            else

            {

                Console.WriteLine(String.Format("{0} is not divisible by 7 or 4", Input));

            }

        }

        catch (FormatException)

        {

            Console.WriteLine(String.Format("{0} is not a number. Please try again.", InputStr));

        }

    }

}