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:
['M', '9933', '9861', 'f', 'N', 'R', '7625', 'p', 'T']
answer:
27419


question:
['J', '5149', 'H', 'L', 'm', 'h', '3863', 'n', 'z']
answer:
9012


question:
['5583', 'f', '6607', '3389', '9779']
answer:

25358