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', '6631', 'b', '4207', '7523', '9853', '9203', 'P', '5029', 'b', '2319', '4717', '2485']
answer:
51967


question:
['3215', 'h', '9133', '2771', 'F', 'x', '9033', '709', 'q']
answer:
24861


question:
['M', 'H', 'l', 'Y', '3811', '1953', '5869', 'U']
answer:

11633