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: ['D', '7807', '9395', 'T', 'c', '5139', '2827', 't', 'T', 'm', '3717', 'U', '3225', '7419', '2481', 'p', 'C', '5277']

A: 47287
****
Q: ['6645', 'k', '4879', 'N', '113', 'L', 'x', '8365', 'v', 'A']

A: 20002
****
Q: ['W', '3683', 'S', '6191', '1415', 'f', 'G', '4963', 'R', '4439', 'L', 'i', 'D', '8775', '4419', 'L']

A:
33885
****