import java.io.*; import java.net.*;
public class SimpleHttpServer {
    public static void main(String argv[]) throws IOException {
	ServerSocket server = new ServerSocket(Integer.valueOf(argv[0]).intValue());
	while(true){
	    Socket conn = server.accept();
	    BufferedReader listen = new BufferedReader(new InputStreamReader(conn.getInputStream()));
	    PrintWriter talk = new PrintWriter(new OutputStreamWriter(conn.getOutputStream()));
	    talk.println("HTTP/1.1 200"); /* HTTP command */
	    talk.println("Content-type: text/plain"); /* HTTP header(s) */
	    talk.println(); /* empty line, as requested */
	    String line; /* HTTP response content starts: */
	    while((line=listen.readLine()).length()>0) /* The "null line" test doesn't work here! */
		talk.println(line);
	    talk.close();
	    listen.close();
	    conn.close();
	}
    }
}