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:
['V', '2633', '3269', 'r', 'Q', '3517', '2571', 'G', '4105', 'm', 'z', 'B', 'A']
answer:
16095


question:
['p', '4689']
answer:
4689


question:
['m', '2519', 'J', '169', 'K', 'm', '4887', 'c', '17', '3057', '5053', 'u', '4019', '9123', 'n', 'Y', 'Z', '3797', 'p']
answer:

32641