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', 'O', '1309', 'm', '9333', '8283', 'Z', 'K', 'X', 'w', '9855', '9075', '2013', '8485', '9973', '8779']
answer:
67105


question:
['1147', 'f']
answer:
1147


question:
['8513', 'X', 'q', '759', 'q', 'C', 'j', 'T', '4629']
answer:

13901