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:
['9069', '8333', 'H', '2049', '8051', 'L', '2749', '8819', '2883', '9317', 'M', '6515']
answer:
57785


question:
['2787', '6085', '6989']
answer:
15861


question:
['4309', 'J', '8549', '4069', '8963', '4437', 'd']
answer:

30327