class SplitPdf extends java.lang.Object {

    /**
     * This class can be used to split an existing PDF file.
     *
     * @param args the command line arguments
     */
    public static void main(String[] args) {<FILL_FUNCTION_BODY>}
}

        if (args.length != 4) {
            System.err.println("arguments: srcfile destfile1 destfile2 pagenumber");
        } else {
            try {
                int pagenumber = Integer.parseInt(args[3]);

                // we create a reader for a certain document
                PdfReader reader = new PdfReader(args[0]);
                // we retrieve the total number of pages
                int n = reader.getNumberOfPages();
                System.out.println("There are " + n + " pages in the original file.");

                if (pagenumber < 2 || pagenumber > n) {
                    throw new DocumentException(MessageLocalization.getComposedMessage(
                            "you.can.t.split.this.document.at.page.1.there.is.no.such.page", pagenumber));
                }

                // step 1: creation of a document-object
                Document document1 = new Document(reader.getPageSizeWithRotation(1));
                Document document2 = new Document(reader.getPageSizeWithRotation(pagenumber));
                // step 2: we create a writer that listens to the document
                PdfWriter writer1 = PdfWriter.getInstance(document1, new FileOutputStream(args[1]));
                PdfWriter writer2 = PdfWriter.getInstance(document2, new FileOutputStream(args[2]));
                // step 3: we open the document
                document1.open();
                PdfContentByte cb1 = writer1.getDirectContent();
                document2.open();
                PdfContentByte cb2 = writer2.getDirectContent();
                PdfImportedPage page;
                int rotation;
                int i = 0;
                // step 4: we add content
                while (i < pagenumber - 1) {
                    i++;
                    document1.setPageSize(reader.getPageSizeWithRotation(i));
                    document1.newPage();
                    page = writer1.getImportedPage(reader, i);
                    rotation = reader.getPageRotation(i);
                    if (rotation == 90 || rotation == 270) {
                        cb1.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).getHeight());
                    } else {
                        cb1.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
                    }
                }
                while (i < n) {
                    i++;
                    document2.setPageSize(reader.getPageSizeWithRotation(i));
                    document2.newPage();
                    page = writer2.getImportedPage(reader, i);
                    rotation = reader.getPageRotation(i);
                    if (rotation == 90 || rotation == 270) {
                        cb2.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).getHeight());
                    } else {
                        cb2.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
                    }
                    System.out.println("Processed page " + i);
                }
                // step 5: we close the document
                document1.close();
                document2.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    
<no_super_class>