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: ['K', '9121', 'y', '4233', '1513', 'd', '5609', 'C', 'q', 'p', 'S', '627', 'q', 'I']

A: 21103
****
Q: ['y', '5105', 'h', 'l', '4941', '4407']

A:
14453
****