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 Q]: ['6565', 'T', 'O', '2901', '5121', 'y', '9617', 't', '7825']
[EX A]: 32029

[EX Q]: ['d', 'b', 'W', '3201', 'C', 'o', '5187', '9723', '8177', 'F', '6703', 'U', '1393', '1035', '3507', '5993', '3857', 'r', 'C', 'j']
[EX A]: 48776

[EX Q]: ['V', 'z', '3175', 'Q', 'H', '9125', '8527', '7887', 'w', 's', 'n', '2247', 'O', '911', 'O', 'G', '6127', '7953']
[EX A]:
45952