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:
['2775', '7405', 'F', 'D', '9025', '827', 'e', 'j', 's', 'e', 'Q', '1137', 'G']
answer:
21169


question:
['m', '3481']
answer:
3481


question:
['k', 'L', 'b', 'm', '9719', '4003', 'F', 'V', '3933', 'F', 'a', '5975', '1633', 'o', '4969']
answer:

30232