public static void doIt(BufferedReader r, PrintWriter w) throws IOException {
        ArrayList<String> s = new ArrayList<String>();

        for (String line = r.readLine(); line != null; line = r.readLine()) {
            if(s.isEmpty()){
                s.add(line);
            }
            for (String text : s){

                if(text.length() > line.length()){
                    s.add(s.indexOf(text), line);
                    break;
                }
                else if(text.length() == line.length()){
                    if(text.compareTo(line) < 0){
                        s.add(s.indexOf(text), line);
                        break;
                    }
                }
            }

        }
        for (String text : s) {
            w.println(text);
        }
    }