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:
['u', 'i', 'z', 't', '9617', 'd', '3255', 'w', 'S', '3041', '7451']
answer:
23364


question:
['c', 'd']
answer:
0


question:
['s', 'Y']
answer:

0