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:
['g', 'h', '9141', '7825', 'a', 'u', '2389', 'r', '9739', '8337', 'Z', 'Z', '6717']
answer:
44148


question:
['597', 'i', 'd', '3201', 'u', '1111', '8563', 'c', 'E', '5983', '6293']
answer:
25748


question:
['n', '2551', '4779', 'A', 'W', 'm', 'R', 'u', '5389', '4235', 'c']
answer:

16954