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:
['w', 'V', '3359', '8847', '7551', '2481', 'Y', 'j', 'L', 'G', '7905', 'v', '4141', '2229', 'k', 'H', '3517', '3885', '3665', 'O']
answer:
47580


question:
['X', '6189', '5435', 'y', '8931', '8987', 'F', '8377', 'k', '8631', '8717', 'q', '2923', 'g', '7225', 'j']
answer:
65415


question:
['595', 'M', '8095', 'M', 'X', 'w', '7251', 'Y', '5887', '8441', '3455', 'p', 'H', '1093', '3851', 'V', 'p', 'T']
answer:

38668