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: ['4509', '4165', '8651', '8057', 'a', '2241', 't', 'i', 'q', 'S', '5149', 'J', 'j', '1373', 'W', 'X', '235', 'm', '3225']

A: 37605
****
Q: ['H', 'i', '8085', 'E', 'q']

A: 8085
****
Q: ['Y', 'Y', 'H', '8007', 'S', 'Q', '7731', 'Z', '6125']

A:
21863
****