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:
['t', 'v', 'B', 'Y']
answer:
0


question:
['d', '7305', '8903', 'b', '7687', '6393', '6939']
answer:
37227


question:
['o', 'J', '9353', 's', 'A', 'L', 'Z', '361', 'N', '9541', '1581', 'm', 'I', 'X', '6775', 'Y']
answer:

27611