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:
['5829', '9755', '67', 'F', '6347', 'p', 'i', 'X', 'z', 'o', '2321', 'F', '6145', 'B', '3903']
answer:
34367


question:
['6161', 'p', '2839', 'c', '5905', '1729', 'j', '5901', '3013', 'e']
answer:
25548


question:
['O', '9251', 'u', 'P', '6097', 'p', 'r', '923', 'f', '3433', '9873', 'B', '3111']
answer:

32688