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:
['2585', '3043', 'w', '7697', '53', 't', 'A']
answer:
13378


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


question:
['8875', '579', 'R', '6687', '7621', 'p', 'y', '2699']
answer:

26461