public static async Task Main(string[] args)
{
Console.WriteLine("Hello World!");
string dir = @"C:\Users\hs_m1\Downloads\99-012-X2011033";
string generic = $"{dir}\\Generic_99-012-X2011033.xml";
string structure = $"{dir}\\Structure_99-012-X2011033.xml";
IFileManager genericFile = new Generic(generic);
IFileManager geographyFile = new Geography(structure);
IFileManager sexFile = new Sex(structure);
IFileManager occupationFile = new Occupation(structure);
IFileManager ageFile = new Age(structure);
IFileManager cowdFile = new COWD(structure);
await geographyFile.ReadFile();
await sexFile.ReadFile();
await occupationFile.ReadFile();
await ageFile.ReadFile();
await cowdFile.ReadFile();
await genericFile.ReadFile();
}