In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the numerical elements in the given list. Return 0 if no numerical element in the list.
['o', 'R', 'I', 'L', '2553', 'S', '1077', '1435', '3339', 'H', 'Z', '6477', '2273', 'Q', 'h', 'P', '6771', 'O', '4871', '2539', 'b', 'O', '4753', '4617', 'd', '3187', '6385', 'S', 'v', 'g', 'e', '4787', 'Q']