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:
['e', '9777', '1835', 'N', '2425', '1427', 'o', '4459', '9961', '3285', '5199', 'x', 'e', '7727']
answer:
46095


question:
['x', '1305', 'b', '8193']
answer:
9498


question:
['f', 'n', '5839', 'B', 'f', '6539', '9401', '8465', '5561', 'R', '5787', 'a', 'J', 'F', 'k', 'W', 'h', 'q', 'E', '8323']
answer:

49915