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.

['8361', '6757', '5341', '2597', '9803', 'a', 'd', '5889', '9823', 'd', '7947', 'y', 'p']
56518

['t', '7015', '2239', 'I', 'F', 'E', '1363', '9615', '6179', '2539', 'z', '8745', '1319', '4715', '9071', 'K', '3707', '6149', 'd']
62656

['53', 'f', '517', '3739', '727', 'u', 'a', '9187', 'q', 'j', 'Q', 's', '5635']

19858