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


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


question:
['y', 'E', 'n', 'V', 'r', '2893', '5075', '7893', '4905', 's', 'd', 'f', 'z', '8087', '477', 'p']
answer:

29330