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.

['q', 'U', 'I', '5245', 'g', 'Y', 's', 'V', 'b', 'V', 'D', '1193', 'p']
6438

['1845', '273', '6921', 'u', '165', 'n', 'y', 'I', 'u', 'X', '5503', 'L', 'G', 'V', '6223', '1123', 'v']
22053

['1261', '3527', 'D', '2327', '9525', '4481', '6099', 'W', '4935', 'E', 'm', 'h']

32155