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:
['1305', '1673', 'w']
answer:
2978


question:
['e', 'T', 'O', 'q', '5511', 'G', 'm', 'E', '2153', 'O', '1139', '5097', 'n', '5653', 'v']
answer:
19553


question:
['2199', 'O', 'F', 'M', 'h', '6551', 'u', 'R', '4953', '199', '6849']
answer:

20751