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.

Q: ['S', '1249', '6233', 'I', '6733', 'r', 'A', 'E', 'h', 'x', 'p', 'c', '515', '1029', '1593', '1035']

A: 18387
****
Q: ['e', '9777', '1835', 'N', '2425', '1427', 'o', '4459', '9961', '3285', '5199', 'x', 'e', '7727']

A: 46095
****
Q: ['8969', '9965', '7647', '6169', 'a', '5887', '9111', '7181', '1829', 'B', '6713', '6441', '1163', 'A', 'j']

A:
71075
****