import java.io.*;

public class Convert
{

  public static void main(String[] args)
  {
    String l = "";

    try
    {
      if (args.length < 2)
      {
        System.out.println("Usage: java Convert <infile> <outfile>");
        System.exit(1);
      }

      BufferedReader in = new BufferedReader(new FileReader(args[0]));
      BufferedWriter out = new BufferedWriter(new FileWriter(args[1]));

      while ((l = in.readLine()) != null)
      {
        out.write(convert(l) + "\n");
      }

      in.close();
      out.close();

    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }

  private static String toHex (int i)
  {
    String s;
    s = Integer.toHexString(i);
    while (s.length() < 4) s = "0" + s;
    return s;
  }

  private static String convert (String s)
  {
    String t = "";

    for (int i=0; i<s.length(); i++)
    {
      if ((int)s.charAt(i) > 127)
      {
        t += "&#x" + toHex((int)s.charAt(i)) + ";";
      }
      else
        t += s.charAt(i);
    }

    return t;
  }

}