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.

['n', 'G', '5059', '8343', '8673', 'P', 'N', '5485', '2279', '6121', 'i', 'U', '7277', '8701', 'A', 'b', 'Z', 'R', '6371', 'G']
58309

['9201', '5685', 'v', 'w', 'v', 'r', 'Y', 'm', 'q', 'e', 'P', '7595', 'c', 'W', 'd', '9985', 'V', '3719']
36185

['p', 'E', 'I', '8329', 'h', 'L', '7513', 'O', 'a', '3477']

19319