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:
['y', 'F', '135', '7359', '8579', '6809', '3979', 'H', 'm', '5059', '373', 'Y']
answer:
32293


question:
['7973', 'J', '9035', 'H', '4051', '2661', 's', 'z', '8225', 'M', '4153']
answer:
36098


question:
['N', 'F', '7539', '8611', '8029', '9585', 's', '7079', '8241', '65', 'U', 'g', 'b', 'r', 'y', 'j', '5281']
answer:

54430