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:
['Y', '8169', '9067']
answer:
17236


question:
['2237', '2597', '2593', 'Y', '5345', 'g', 'l', 'I', 'p', 'u', 'L', 'T', '617', '9759', 'b', 'w', '7097', '9863']
answer:
40108


question:
['1405', 'G', 'j', 'P', '235', '9715', 'A']
answer:

11355