<% String message, n1, n2, answer; message = request.getParameter("message"); n1 = request.getParameter("n1"); n2 = request.getParameter("n2"); if (message != null) { answer = request.getParameter("answer"); if (Integer.parseInt(answer) == Integer.parseInt(n1) + Integer.parseInt(n2)) { message = "Good job."; } else { message = "No, that was not the answer."; } n1 = (int) (Math.random() * 100) + ""; n2 = (int) (Math.random() * 100) + ""; } else { message = "Welcome"; n1 = (int) (Math.random() * 100) + ""; n2 = (int) (Math.random() * 100) + ""; } %>