import org.w3c.dom.*;
import org.apache.xerces.parsers.DOMParser;

class Figures
{ 
    public static void computeArea(String uri)
	{
	    try {
		DOMParser parser = new DOMParser();
		parser.parse(uri);
		Document doc = parser.getDocument();
		traverse_tree(doc);
	    } catch (Exception e) {
		e.printStackTrace(System.err);
	    }
	}

    private static void traverse_tree(Node node)
	{
	    if(node == null) {
		return;
	    }
	    int type = node.getNodeType();
	    switch (type) {
	    case Node.DOCUMENT_NODE: {
		traverse_tree(((Document)node).getDocumentElement());
		break;
	    }
	    case Node.ELEMENT_NODE: {
		String elementName = node.getNodeName();
		NamedNodeMap attrs = node.getAttributes();
		if(elementName.equals("circle")) {
		    Attr attrib = (Attr)attrs.getNamedItem("r");
		    String sr = attrib.getValue();
		    float radius = Float.valueOf(sr).floatValue();
		    float area = (float)Math.PI*radius*radius;
		    System.out.println("Circle : Radius = " + radius + 
				       " Area = " + area);
		}
		else if(elementName.equals("rectangle")) {
		    Attr attrib = (Attr)attrs.getNamedItem("w");
		    String sw = attrib.getValue();
		    attrib = (Attr)attrs.getNamedItem("h");
		    String sh = attrib.getValue();
		    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);
		}
		else if(elementName.equals("ellipse")) {
		    Attr attrib = (Attr)attrs.getNamedItem("w");
		    String sw = attrib.getValue();
		    attrib = (Attr)attrs.getNamedItem("h");
		    String sh = attrib.getValue();
		    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); 
		}
		NodeList childNodes = node.getChildNodes();	
		if(childNodes != null) {
		    int length = childNodes.getLength();
		    for (int loopIndex = 0; loopIndex < length ; loopIndex++)
		    {
			traverse_tree(childNodes.item(loopIndex));
		    }
		}
		break;
	    }
	    }
	}
}

public class DOMFigures
{

    public static void main(String[] args)
	{
	    Figures.computeArea(args[0]);
	}
}