import org.xml.sax.*;
import org.xml.sax.helpers.DefaultHandler;
import org.apache.xerces.parsers.SAXParser;

public class SaxFigures extends DefaultHandler
{
    public void startElement(String uri, String localName, String rawName,
			     Attributes attributes)
	{
	    if(localName.equals("circle"))
	    {
		String sr = attributes.getValue("r");
		float radius = Float.valueOf(sr).floatValue();
		float area = (float)Math.PI*radius*radius;
		System.out.println("Circle : Radius = " + radius + 
				   " Area = " + area);
	    }
	    else if(localName.equals("ellipse"))
	    {
		String sw = attributes.getValue("w");
		String sh = attributes.getValue("h");
		float width = Float.valueOf(sw).floatValue();
		float height = Float.valueOf(sh).floatValue();
		float area = (float)Math.PI*(width/2)*(height/2);
		System.out.println("Ellipse : Width = " + width +
				   " Height = " + height + " Area = " + area);

	    }
	    else if(localName.equals("rectangle"))
	    {
		String sh = attributes.getValue("h");
		String sw = attributes.getValue("w");
		float width = Float.valueOf(sw).floatValue();
		float height = Float.valueOf(sh).floatValue();
		float area = width * height;
		System.out.println("Rectangle : Width = " + width +
				   " Height = " + height + " Area = " + area);
	    }
	}
    public static void main(String[] args)
    {
	try {
	  SaxFigures SAXHandler = new SaxFigures();
	  SAXParser parser = new SAXParser();
	  parser.setContentHandler(SAXHandler);
	  parser.setErrorHandler(SAXHandler);
	  parser.parse(args[0]);
	}
	catch(Exception e){
	    e.printStackTrace(System.err);
	}
    }
}