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', '8593', '9427', '9931', '8919', 'X', 'B', '8861', '1933', 'Z', 'V', '3427', 'S', '8717', 'd', '1593', '7659', 'Q', 'n']
answer:
69060


question:
['I', '1941', '2423', '3381', 'J', '6589', 'h', 'D']
answer:
14334


question:
['a', '6563', 'V', 'T', '7711', '9743', 'n', '5669', '1659', 's', 'l', 'T', 'C', '2987', 'K', 'p']
answer:

34332