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:
['T', '8333', 'C', 'Z', 'n', '1419', 'd', '3205', 'D', '1187', 'd']
answer:
14144


question:
['5021', 'q', '4109', 'g', 'w', 'C', 'w', '239', 'N', '9755', '8591', '7083', 'Q', '7907', 'w', 'U', 'a', '4901', 'k', 'G']
answer:
47606


question:
['L', 'p', '2209', 'z', '5473', '9797', '4363', 'U', 'i']
answer:

21842