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.

['187', 'J', 'l', 'p', '1009', 'g', '5817', 'V', 'B', 'Z', '3329', '9253']
19595

['8809', '4559', '2715', 'w', '9903', 'h', 'u', 'F', '9369', '6149']
41504

['5567', 'k', 'j', 'p', 'H', '1235', '4113', '9947', '9661', 'D', 'T', '2829', 'E', '8681', 'E', 'z', '3813', '5863', '9217', '43']

60969