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:
['J', '5149', 'H', 'L', 'm', 'h', '3863', 'n', 'z']
answer:
9012


question:
['N', 'e', '4283', '3243', '5581', '1407', 'q', 'y', '6685', 'v', 'c', '5995']
answer:
27194


question:
['6547', 'y', '4111', 'B', 'P', '4917', '8539', '8873', 'A', '1843', '1469', 'p']
answer:

36299