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]: ['5899', '229', 'm', '3347', 'k', 'q', 'g', '2755', '8727', '2035', '823', '6835', '9271', 'Q']
[EX A]: 39921

[EX Q]: ['1123', '2765', '9395', '9695', '7963', '3813', '9987', 'y', 'N', 'F', '2757', 'o', 'r', '4827', '3523', 'G', 'j', '9785', 'C']
[EX A]: 65633

[EX Q]: ['Y', 'z', 'D', 'x', 'Q', '9471', 'y', 'T', 'x', 'F', '671', '949']
[EX A]:
11091