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.

Q: ['n', 'G', '5059', '8343', '8673', 'P', 'N', '5485', '2279', '6121', 'i', 'U', '7277', '8701', 'A', 'b', 'Z', 'R', '6371', 'G']

A: 58309
****
Q: ['H', 'i', '8085', 'E', 'q']

A: 8085
****
Q: ['r', '9777', '657', 'Z', 'h', 'F', 'o', 'z', '1719', 'd', '2789', 'j', 'l', '1605', '901', 'U']

A:
17448
****