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: ['6293', 'o']

A: 6293
****
Q: ['W', 'O', 'c', 'r', 'E', 'w', '9811', '6421', '3543', '4293', '8255', 't', '229', '745', 'w', 'p', '6861', '5305', 'h']

A:
45463
****