using System;

public class Program

{

    public static void Main()

    {

                    int x;

            // Printing Text on Console.

            Console.WriteLine("Please enter a number: \n");

​

            // Reading The user's input and storing it in a string.

            string str = Console.ReadLine();

​

            // Here we are checking the user's entered string if it is a number or not. 

            // Example: User puts: "34", then the value for isNumerical will be true

            // Example 2: User puts "abcdef" then the value of isNumerical will be false

​

            // Now the isNumerical is true or false based on the user's input

            if (int.TryParse(str, out x))

            {

                // if it is true (numerical is a number), print Numeric entered 

                Console.WriteLine("Numeric entered");

            }

            else {

                // if it is false (numerical is not a number), print Non Numeric entered 

                Console.WriteLine("Non Numeric entered");

            }

​

            Console.ReadLine();

    }

}