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:
['e', '9777', '1835', 'N', '2425', '1427', 'o', '4459', '9961', '3285', '5199', 'x', 'e', '7727']
answer:
46095


question:
['o', '445', '2601', 'h', 'V', 'C', 't', 'o', 'H', '3707', '7601']
answer:
14354


question:
['y', '1665', '1865', 'v', '619', '8615', 'd', '9649', '6081', '4453', '771', '3345', 'h', '2971', 'F', 'A', '2137']
answer:

42171