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', '6153', 'A', '6173', 'x', '7527', '8501', 'g', 'r', 'K', 'I', '3103', '8347']
answer:
39804


question:
['3723', 'v', 'j', 'e', '2017', 'd', '4211', '2079']
answer:
12030


question:
['d', 'U', 'A', '2283', 'F', '719', '1031', '843', '9397', '4259', '9361', '9665', 'k', '2037', '9283', '9883', 'h', 's', 'o', 'G']
answer:

58761