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:
['A', '9775', '5867', 'n', '1329', '5973']
answer:
22944


question:
['6161', 'p', '2839', 'c', '5905', '1729', 'j', '5901', '3013', 'e']
answer:
25548


question:
['X', 'm', 'X', 'z', 'm']
answer:

0