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: ['F', 'v', 'G', '6023', 'M', 'Q', 'A', '8477', '2079', 'A', '813', 'C', '3479', 'G', '1977', '5569', '8749', 'Y']

A: 37166
****
Q: ['1671', 'H', '9271']

A: 10942
****
Q: ['7923', 'F', 'V', 'k', 'g', 'g', 'q', '9979', '831', 'H', '6471', 'c', '1285', '5281', 'r', '7419', '5697', '8955', 'E', '525']

A:
54366
****