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: ['6941', 'I', 'j', '6135', '6525', '7853', '5607']

Answer: 33061


Question: ['1165', '8341', '9685', '6749', '8571', 'p', '9355', '5319', '9587', 'B', '9581', '1719', 'Q', '577', '8883', 'S', '7851', '1069', 'i', 'y']

Answer: 88452


Question: ['I', 'b', '5281', 'v', '437', '5403', '5275', 'G', 'm', 'h', 'B', '9821', '247', '9919', 'O', 'K', '253', 'X', '6765', 'P']

Answer:
43401