import java.io.*;


class IOUtilities {
    public void copyInto(InputStream input, OutputStream output) throws FileNotFoundException, IOException
    {
        long size = ((FileInputStream)input).getChannel().size();

        for (long i = 0; i < size; i++)
            output.write(input.read());

        output.close();
        input.close();
    }

    public void copyInto2(Reader input, Writer output) throws IOException
    {
        int b = input.read();

        while (b != -1)
        {
            output.write(b);
            b = input.read();
        }

        input.close();
        output.close();
    }
}