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]: ['5467', '3013', '8325', '4005', 'J', 'V', '395', '7477', 'E', 's', '1337', 'g', 'v', '8569', '9757', 'x', '3909', '2983', 's', '7917']
[EX A]: 63154

[EX Q]: ['2225', '1925']
[EX A]: 4150

[EX Q]: ['h', 'P', '6847', 'I', 'k', 'D', '5631', 'J', 'b', 'g', 'O', '2567', '8203']
[EX A]:
23248