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:
['2691', '3861', '7087', '4661', '6527']
answer:
24827


question:
['6585', '5263', '9497', '1117', 'a', 'F', 'w', '6595', '547']
answer:
29604


question:
['8629', '9791', 'j', 'j', 'S', 'c', '1649', '6325', '6281', 'D', '4797', 'V', '2423', 'A', 'x', '2759']
answer:

42654