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: ['1845', '273', '6921', 'u', '165', 'n', 'y', 'I', 'u', 'X', '5503', 'L', 'G', 'V', '6223', '1123', 'v']

A: 22053
****
Q: ['y', 'z', 'R', '5337', 'Q', 'j', 'b', '2569', '3759']

A:
11665
****