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:
['6585', '5263', '9497', '1117', 'a', 'F', 'w', '6595', '547']
answer:
29604


question:
['S', 'W', '2171', '6405', 'h', 'C', '1597', '7109', 'Q', 'p', '2747', 't', 'J', 'q', '1883', 'v', 'O']
answer:
21912


question:
['9659', '4901', '313', 'S', '1913', 'V', 'X', '2683', '6817', '4223', '167']
answer:

30676