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:
['5331', 'f', '2865', '6019', 'U', 'm', 'g', 'n', 'Y', 'A']
answer:
14215


question:
['4515', '3911', 'M', 'T', 'w', 'F']
answer:
8426


question:
['a', 'm', 'i', 'w', '533', '2755', '8015', '935', 'c', 'u', '3231', '363', '9315']
answer:

25147