import javax.xml.namespace.NamespaceContext;

import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.XMLStreamException;

import javax.xml.transform.stax.StAXResult;

public class JI9062000 {
    public static void main(String[] args) throws XMLStreamException
    {
        XMLOutputFactory.newFactory()
                .createXMLEventWriter(new StAXResult(new StreamWriterFilter()));
    }

    static class StreamWriterFilter implements XMLStreamWriter
    {
        @Override
        public void writeStartElement(String localName)
                throws XMLStreamException
        {
        }

        @Override
        public void writeStartElement(String namespaceURI, String localName)
                throws XMLStreamException
        {
        }

        @Override
        public void writeStartElement(
                String prefix, String localName, String namespaceURI)
                throws XMLStreamException
        {
        }

        @Override
        public void writeEmptyElement(String namespaceURI, String localName)
                throws XMLStreamException
        {
        }

        @Override
        public void writeEmptyElement(
                String prefix, String localName, String namespaceURI)
                throws XMLStreamException
        {
        }

        @Override
        public void writeEmptyElement(String localName)
                throws XMLStreamException
        {
        }

        @Override
        public void writeEndElement() throws XMLStreamException
        {
        }

        @Override
        public void writeEndDocument() throws XMLStreamException
        {
        }

        @Override
        public void close() throws XMLStreamException
        {
        }

        @Override
        public void flush() throws XMLStreamException
        {
        }

        @Override
        public void writeAttribute(String localName, String value)
                throws XMLStreamException
        {
        }

        @Override
        public void writeAttribute(
                String prefix, String namespaceURI, String localName, String value)
                throws XMLStreamException
        {
        }

        @Override
        public void writeAttribute(
                String namespaceURI, String localName, String value)
                throws XMLStreamException
        {
        }

        @Override
        public void writeNamespace(String prefix, String namespaceURI)
                throws XMLStreamException
        {
        }

        @Override
        public void writeDefaultNamespace(String namespaceURI)
                throws XMLStreamException
        {
        }

        @Override
        public void writeComment(String data) throws XMLStreamException
        {
        }

        @Override
        public void writeProcessingInstruction(String target)
                throws XMLStreamException
        {
        }

        @Override
        public void writeProcessingInstruction(String target, String data)
                throws XMLStreamException
        {
        }

        @Override
        public void writeCData(String data) throws XMLStreamException
        {
        }

        @Override
        public void writeDTD(String dtd) throws XMLStreamException
        {
        }

        @Override
        public void writeEntityRef(String name) throws XMLStreamException
        {
        }

        @Override
        public void writeStartDocument() throws XMLStreamException
        {
        }

        @Override
        public void writeStartDocument(String version) throws XMLStreamException
        {
        }

        @Override
        public void writeStartDocument(String encoding, String version)
                throws XMLStreamException
        {
        }

        @Override
        public void writeCharacters(String text) throws XMLStreamException
        {
        }

        @Override
        public void writeCharacters(char[] text, int start, int len)
                throws XMLStreamException
        {
        }

        @Override
        public String getPrefix(String uri) throws XMLStreamException
        {
            return null;
        }

        @Override
        public void setPrefix(String prefix, String uri)
                throws XMLStreamException
        {
        }

        @Override
        public void setDefaultNamespace(String uri) throws XMLStreamException
        {
        }

        @Override
        public void setNamespaceContext(NamespaceContext context)
                throws XMLStreamException
        {
        }

        @Override
        public NamespaceContext getNamespaceContext()
        {
            throw new UnsupportedOperationException();
        }

        @Override
        public Object getProperty(String name) throws IllegalArgumentException
        {
            throw new UnsupportedOperationException();
        }
    }
}