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.
['L', 'Y', '2787', 'z', 'y', '5159', 'A', '6305', 'Y', 'L', '8847', '5753', 'X']