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:
['x', '1305', 'b', '8193']
answer:
9498


question:
['J', '5149', 'H', 'L', 'm', 'h', '3863', 'n', 'z']
answer:
9012


question:
['v', 'J', 'n', '4473', 's', '8761', '8095', 'V', '4059', 'L', '837', '3743', '7739', '5153', '7217', '6955', 'C', 's', 'Q', 'V']
answer:

57032