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:
['7361', '6913', '3605', '2081', '7619']
answer:
27579


question:
['3107', 'D', '9595', '8807', 'Q', 'o', 'T', 'N', 'A']
answer:
21509


question:
['6953', 'P', '653', 'l', '2681', '5639', 'a', 'x', 'T', 'B', '3595', 'i', '4167', 'L', '3103', '8085']
answer:

34876