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.
['a', 'Y', '5573', 'C', '4289', '5267', 'm', '2877', 'B', '6407', '4245', '7777', '2097', '5009', '5163', '509', 'p', 'V', '1765', 'q', 'H', 'u', '8005', '8241', 'i', '429', '819', '5685', '2507', '1609', 'P', '3321', '3437']