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:
['2585', '3043', 'w', '7697', '53', 't', 'A']
answer:
13378


question:
['j', 'R', '2435']
answer:
2435


question:
['O', 'A', '6417', 'v', 'O', 'r', 'h', 'Q', 't', 'R', '6877', 'i', 'd', '9137', '1585', '5817', 'j']
answer:

29833