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]: ['x', 'V', 'g', '5469', 'c', '7873', 'T', 'p', '8109', '5395', 'h', 'z', 'T', '9373']
[EX A]: 36219

[EX Q]: ['g', 'h', '9141', '7825', 'a', 'u', '2389', 'r', '9739', '8337', 'Z', 'Z', '6717']
[EX A]: 44148

[EX Q]: ['695', '6227', 'O', 'Y', '7931', '3791', 'g', 'O', 'K', '8931', '3', 'n', 'T', '8907']
[EX A]:
36485