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:
['9201', '5685', 'v', 'w', 'v', 'r', 'Y', 'm', 'q', 'e', 'P', '7595', 'c', 'W', 'd', '9985', 'V', '3719']

Ex Output:
36185


Ex Input:
['6217', 'A', '1925', 'o', '1433']

Ex Output:
9575


Ex Input:
['S', '8191', 'p', 'J', '5561', 'L', '9335', '2305']

Ex Output:

25392