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:
['R', 'J', 'z', 'o', '1121', '7247', '8987', 'u']
answer:
17355


question:
['9405', 'F', 'h', '1157', 'Y', '9681', '2641', 'G', '2117', 'a', 'Y', '5079']
answer:

30080