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: ['8353', 'f', '1799', '6985', '2975', 'J', '9105', 'f', 'v', 'C', 'V', '9327', '3015', 'e', 'h', '439', '4969', 'c']

A: 46967
****
Q: ['w', '7301', '9411', 'z', 'g', 'X', '1045', 'l', 'F', 'M', 'R', '7957', 'e', '5145']

A: 30859
****
Q: ['Q', '8435', 'b', 'W', 'o', '2315', 'S', '7911', '299', 'S', 'E', 's', 'A']

A:
18960
****