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:
['5289', '1701', '5925', '7973', 'F', 'V', 'y', '5903', 'i']
answer:
26791


question:
['3319', 'e', 'c', 'G', '2399', '1557', '4813', 'z', 'U', '4895', 's', '1193', 'A', 'G']
answer:
18176


question:
['1403', 't', '7071', '9319', 'W', 'x', '3905', 'B', '3493', '6359', '4893', '7059', '1315', '3995', 'c']
answer:

48812