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: ['D', '1611', 'w', '8825', '8987', '3021', '9019', 's', '87', '9283', '5717', 'f', '1503', '6593', '8533', '785', 'g']

A: 63964
****
Q: ['v', 'a', 'O', 'S', 'r', 'T', 'r', 'K', 'K', '7781', '1749']

A: 9530
****
Q: ['I', 'G', '6127', 'u', 'z', '8053', '5777', '9985', '9915', '3807']

A:
43664
****