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: ['4201', '6445', '4009', 'q']

A: 14655
****
Q: ['Z', 'w', 'M', '2233', '5275', '5277', 's', '971', '7085', '6259', 'V', 'E', '4923', '7365', 'c', 'd', 'c', 'U', 'P']

A: 39388
****
Q: ['9927', '7217', 'y', '567', '8433', 'o', 'A', 'e', 'M', 'B', 'd', 'y']

A:
26144
****