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:
['1869', 'q', '5919', 'D', '7733', '2641', 'h', '1327']
answer:
19489


question:
['B', '5911', 'r', '797', 'V', '2949', '4721']
answer:

14378