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: ['G', 'o', 'g', 'I', 'S', '9193', 'G', 'C', '2481', '435', 'm', '1005', '5605', '6501', 'D']

A: 25220
****
Q: ['j', 'R', '2435']

A: 2435
****
Q: ['O', '6199', '5063', 'v']

A:
11262
****