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:
['5199', 'h', 'T', 'T', 'l', '1661', 'p']
answer:
6860


question:
['e', 'K', 'A', 'V', '1169', 'n', '8729', 'V']
answer:
9898


question:
['G', '6449', 'V', '3943', 's', '7847', 'W', '8807', 'u', 'k', 'T']
answer:

27046