public static byte[] quickSlot(String skil) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.QUICK_SLOT.getValue());
        mplew.write(skil == null ? 0 : 1);
        if (skil != null) {
            String[] slots = skil.split(",");
            for (int i = 0; i < 8; i++) {
                mplew.writeInt(Integer.parseInt(slots[i]));
            }
        }

        
        return mplew.getPacket();
    }