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:
['G', 'o', 'g', 'I', 'S', '9193', 'G', 'C', '2481', '435', 'm', '1005', '5605', '6501', 'D']

Ex Output:
25220


Ex Input:
['5233', 'i', 'Z', 'v', '4531', 'j', '61', '1725', '5915', '1677', 'F', 'K', 'M', 'Z']

Ex Output:
19142


Ex Input:
['o', 'V', '1339', '4257', 'q', 'e', 'N', 'L', 'A', 'E', 'Y', '8867']

Ex Output:

14463