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:
['c', 'E', 'M', '1303', 'y', 'H']
answer:
1303


question:
['5331', 'f', '2865', '6019', 'U', 'm', 'g', 'n', 'Y', 'A']
answer:
14215


question:
['I', '6197', '8135', 'G', '3809', 'o', '6591']
answer:

24732