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', 'q', '4085', '6327', '6869', 'Z', 't', '7057', '1965', 'p', 'o']
answer:
26303


question:
['q', 't', '4837', 'F', '2367', '1867', '8361', 'm']
answer:
17432


question:
['b', 'A', 'E', 'M', 'X', '9999', '3115', 'a', '4451', '9749', '4429', 'K', '3161', 'n', '2839', '1991', '3317']
answer:

43051