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:
['2585', '3043', 'w', '7697', '53', 't', 'A']

Ex Output:
13378


Ex Input:
['2625', '1611', 'E', '4507', '3013', '1569', 'M', '2607', '1111', 'W']

Ex Output:
17043


Ex Input:
['N', '8831', 'K', '415', 'w', '6771', '5129', 'X', 'j', 'T', 'v', 'q', 'Z', 'J', '2815', 'f', '3247', '7187']

Ex Output:

34395