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:
['9989', 'B', 'E', '5181']
answer:
15170


question:
['3107', 'D', '9595', '8807', 'Q', 'o', 'T', 'N', 'A']
answer:
21509


question:
['333', '4505', '2369', 'p', '8137', 'z', '1331', 'm', '1947', '1253', '7619', '5499', 'a', 'P']
answer:

32993