ReadTxt (Exercise)

using System;
using System.IO;

namespace ConsoleTests
{
    class ConsoleTests
    {
        static void Main()
        {
            ReadTxt(Console.ReadLine());
            Console.ReadKey();
        }

        private static void ReadTxt(string filename)
        {
            try
            {
                using (StreamReader sr = File.OpenText(filename))
                {
                    string s = sr.ReadToEnd();
                    Console.WriteLine(s);
                }
            }
            catch (FileNotFoundException notFound)
            {
                Console.WriteLine(notFound.Message);
            }
            catch (IOException masterError)
            {
                Console.WriteLine("Error!");
            }

        }
    }
}