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]: ['4509', '4165', '8651', '8057', 'a', '2241', 't', 'i', 'q', 'S', '5149', 'J', 'j', '1373', 'W', 'X', '235', 'm', '3225']
[EX A]: 37605

[EX Q]: ['5289', '1701', '5925', '7973', 'F', 'V', 'y', '5903', 'i']
[EX A]: 26791

[EX Q]: ['A', 'C', 'a', '9195', 'B', '3305', 'H', '4361', 'u', 'w', 'a', 'o', 'Z', '9769', 'm', '2743', 'x', '3051', '5403']
[EX A]:
37827