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.
['S', '5887', '7525', '4427', 'I', '4827', 'B', '8735', 'O', '8193', '7663', 'w', '1675', 'L', 'h', '9283', 'f', '5103', 'z', '9511', '5483', '6485', '4057', '2813', 'a', 'S', 'n']