public int getPictureValue(String picture) {
        List<String> tenTypes = new ArrayList<String>();

        tenTypes.add("jack");
        tenTypes.add("queen");
        tenTypes.add("king");

        if (tenTypes.contains(picture)) {
            return TEN;
        } else if (getValidPictures().contains(picture)) {
            return Integer.parseInt(picture);
        }

        // return 0 if picture isn't valid
        return 0;
    }