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: ['E', 'y']

A: 0
****
Q: ['1165', '8341', '9685', '6749', '8571', 'p', '9355', '5319', '9587', 'B', '9581', '1719', 'Q', '577', '8883', 'S', '7851', '1069', 'i', 'y']

A: 88452
****
Q: ['Z', 'j', 'S', '6835', '1649', '9335', '8019', '2883']

A:
28721
****