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: ['w', 'V', '3359', '8847', '7551', '2481', 'Y', 'j', 'L', 'G', '7905', 'v', '4141', '2229', 'k', 'H', '3517', '3885', '3665', 'O']

A: 47580
****
Q: ['1001', 'T', 'w', 'f', 'Q', '4035', 'b', 'q', 'x', 'R']

A: 5036
****
Q: ['3547', 'h', '6663', '51', 'R', '1495', 'D', '7831', 'e', 'z', 'O', '913', '9723', 'L', '7879']

A:
38102
****