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:
['r', '2251', 'X', 'H', 'a', '5463', 'g', 'M', '9797', '1581', 'o', 'm', 'v', 'E']
answer:
19092


question:
['6585', '5263', '9497', '1117', 'a', 'F', 'w', '6595', '547']
answer:
29604


question:
['N', '6341', 'N', '8651', '1005', 'f', 'K', 'M', 'l', 'S', '1307', 'd']
answer:

17304