using System.IO;
using System.Console;

module EmptyDirectory
{
    IsDirectoryEmpty(dir : string) : bool
    {
        Directory.GetFileSystemEntries(dir).Length == 0
    }

    Main(args : array[string]) : void
    {
        foreach (dir in args) {
            when (Directory.Exists(dir)) {
                WriteLine("{0} {1} empty.", dir, if (IsDirectoryEmpty(dir))  "is" else "is not");
            }
        }
    }
}