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.
['U', '489', 'e', 'R', 'd', 'X', 'S', 'r', '5065', 'S', 'z', 'D', '1803', '7399']