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:
['q', 'Y', '6021', '4045']
answer:
10066


question:
['E', '9289', 'j', '1847', 'u', 'w', 'z', '4045', '9567', '3133', '2967', 'I', '1927', 'I', 'f', 'T']
answer:
32775


question:
['X', 'M', 'u', '6485', 'F', 'y']
answer:

6485