Q: 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.
['9465', '1031', 'D', 'K', '4273', 'h', '397', '3331', 'U', '2583', 'G', '6333', '1257', '3483', 'E', '8769']
A:
40922