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: ['v', '9511', 'f', 'q']

A: 9511
****
Q: ['Y', 'X']

A: 0
****
Q: ['7935', '6167', 'I', 'R', 'e', 'f', 'D', '6943', 'h', 'p', '1011']

A:
22056
****