/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.io.ByteArrayOutputStream;
import sun.misc.BASE64Decoder;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{

		byte[] CDRIVES = hexStringToByteArray("e04fd020ea3a6910a2d808002b30309d");

        char ac[] = (new String(CDRIVES)).toCharArray();
        ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream();
        int i1 = ac.length;
        for (int j1 = 0; j1 < i1; j1 += 2)
        {
            Object aobj[] = new Object[2];
            aobj[0] = Character.valueOf(ac[j1]);
            aobj[1] = Character.valueOf(ac[j1 + 1]);
            System.out.println(String.format("%c%c", aobj));
            bytearrayoutputstream.write(Integer.parseInt(String.format("%c%c", aobj), 16));
            System.out.println("OK");
        }

    }

    public static byte[] hexStringToByteArray(String s) {
        int len = s.length();
        byte[] data = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
                    + Character.digit(s.charAt(i+1), 16));
        }
        return data;
    }
	
}