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:
['3051', 'Z', 'q', 'u', 'x', '2747', 'e', 'B', '4225', 'Q', 'R', '4629', 'F']
answer:
14652


question:
['i', 'C', '5373', '2017', 'm', '5435', 'Y', 'h']
answer:
12825


question:
['3433', 't', '6585', 'B', 'v', 'X', '8415', 'T', '8413', 'L', '475', '3433', '7881', 'k', '1809', 'T']
answer:

40444