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:
['8361', '6757', '5341', '2597', '9803', 'a', 'd', '5889', '9823', 'd', '7947', 'y', 'p']
answer:
56518


question:
['6001', '6423', '5591', '8721', 't', 'x', '3723', 'E', 'F', '7353', 'b']
answer:
37812


question:
['R', 'G', 'j', 'V', 'a', '3841', 'p', '3527', '523', 'g']
answer:

7891