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:
['g', '5301']
answer:
5301


question:
['4241', 'E', '1807', '2877', '5125', '7625', 'S', '401', '5081', 'u', 'R', 'F']
answer:
27157


question:
['7085', 'x', 'J', 'd', '299', '7265', 'w', 'N', '7883', '1191', 'w', 'b', '1079', 'J', '5999', '6677', 'f']
answer:

37478