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:
['9869', '7701', 'H', 'o', 'v', '1431', 'O', 'L']
answer:
19001


question:
['5705', '3741', 'y', 'c', '6863', 'T', '4653', '5205', 'G', '1319', '645', 'V', 'W', '7131', 'm']
answer:

35262