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: ['6585', '5263', '9497', '1117', 'a', 'F', 'w', '6595', '547']

A: 29604
****
Q: ['m', 'g', '7251', '5873', '59', '7345']

A: 20528
****
Q: ['g', 'x', '6475', '8237', 'B', '2759', '1351', 'z', 'Z', 'a', 'k', 'V', '1519', '2681']

A:
23022
****