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: ['2215', '4369', 'e', '4979', '4069', 'J', 'L', '789', 'w', 'p', '9533', '8523', '2531']

A: 37008
****
Q: ['q', '5151', 'R', '441']

A: 5592
****
Q: ['B', 'c']

A:
0
****