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', 'O', '1309', 'm', '9333', '8283', 'Z', 'K', 'X', 'w', '9855', '9075', '2013', '8485', '9973', '8779']
[EX A]: 67105

[EX Q]: ['6293', 'o']
[EX A]: 6293

[EX Q]: ['3985', 'M', 'z', 'x', 'h', '2967', '7089', '4549', 'G', '3051', '6273', '1639', 'v', '1183', 'H', '4303', '9231', 'v', '8797']
[EX A]:
53067