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:
['6645', 'k', '4879', 'N', '113', 'L', 'x', '8365', 'v', 'A']
answer:
20002


question:
['C', '3133', '2183', '5793', '9305', 'd', 'g', '6501']
answer:
26915


question:
['A', '5031', 'j', 'P', '3337']
answer:

8368