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]: ['1165', '8341', '9685', '6749', '8571', 'p', '9355', '5319', '9587', 'B', '9581', '1719', 'Q', '577', '8883', 'S', '7851', '1069', 'i', 'y']
[EX A]: 88452

[EX Q]: ['8871', '1297', 'W', 'f', 'Y', '8731', '113', '6707', '379', '9631', 'X', 'C', 'q']
[EX A]: 35729

[EX Q]: ['2275', 'i', '6143', 'o', '9235', 'y', '2967', 'F', '7545', '8467', 'q']
[EX A]:
36632