import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;

public class domencoding {

  public static void main(String[] args) throws Exception {
     
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder parser = factory.newDocumentBuilder();
    
    Document doc = parser.parse(args[0]); 
    System.out.println(doc.getXmlEncoding());
      
  }

}