Check if a directory exists

using System;
using System.IO;
 
 
class MainClass {
    static void Main(string[] args) {
        foreach (string arg in args) {
            Console.Write(arg);
 
 
            if (Directory.Exists(arg)) {
Console.WriteLine(" is a  directory");
            } else if (File.Exists(arg)) {
Console.WriteLine(" is a  file");
            } else {
Console.WriteLine(" does not exist");
            }
        }
    }
}