private static Dictionary<String, Integer> stringToDic(String str){
		Dictionary<String, Integer> res = new Hashtable<String, Integer>();
		
		JSONObject json = JSONObject.fromObject(str);
		
		Set<String> set = json.keySet();
		for (String key : set) {
			res.put(key, json.getInt(key));
		}
		return res;
	}