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

Ex Output:
63154


Ex Input:
['1395', '3605', '6001', 's', 'h', 'T', 'K', 'X', '9413', 'X', '5099', 'c', 'f', 't', 'S', 'f', '4651']

Ex Output:
30164


Ex Input:
['h', 't', 'K', '2111', 'w', 'M', '9225', 'g', 'f', '7617', '3043', 's', 'U', 'b', '8079', '3727', '6713', '6953', '5635', '1675']

Ex Output:

54778