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', '721', '6555', 'g', 'y', 'U', '3053', 'A', '9663']
answer:
19992


question:
['2625', '1611', 'E', '4507', '3013', '1569', 'M', '2607', '1111', 'W']
answer:
17043


question:
['E', '8643', 'E', '601', '9875', 'G', '8993', 's', 'D', 'Z']
answer:

28112