import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServlet;

public class Sample extends HttpServlet {
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        String str = req.getParameter("name");
        PrintWriter writer = resp.getWriter();
        String s2 = str.toLowerCase();
        
        writer.println(s2);    /* BAD */
    }
}