try-catch (C# Shell App Paste)

using System;

 namespace Dcoder
 {
    public class Program
    {
        public static void Main()
        {
            try
            {
                String input = Console.ReadLine();
                if (input != null && input != "")
                    {
                        int num = int.Parse(input);
                        Console.WriteLine(num);
                    }
            }

            catch
            {

            }
            Console.WriteLine("Error!");
        }
    }
 }