In this task, you are given an input list A. You need to find all the elements of the list that are numbers and calculate their sum.

Ex Input:
['H', 'i', '8085', 'E', 'q']

Ex Output:
8085


Ex Input:
['U', '5885', 'u', 'Y', 's', 'w', 'j', '9629', '9505', 'U']

Ex Output:
25019


Ex Input:
['x', '4775', 'B', '73', 'r', '8775', '1583', 'X', '5689', 'F', '7573', 'V', 'X']

Ex Output:

28468