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: ['5829', '9755', '67', 'F', '6347', 'p', 'i', 'X', 'z', 'o', '2321', 'F', '6145', 'B', '3903']

A: 34367
****
Q: ['M', 'F', '4477', '1565', '4407', 'r', 'v', '7237', '83', '5243', 'O', 'z', 'W', '7703', 'Q', 'i', '9657', 'n']

A: 40372
****
Q: ['5723', 'd', 'D', 'h', '7561', '7027', '6107', 'c', 'X', '4191', 'v', 'i', 'r']

A:
30609
****