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]: ['v', '9511', 'f', 'q']
[EX A]: 9511

[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]: ['773', '8561', '4361', '413', 'z', 'Q', '1753', 'q', '1647', 'q', '3941', '2729', 'F', '6589', 'M', '589', 'I', '9289']
[EX A]:
40645