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: ['w', '7301', '9411', 'z', 'g', 'X', '1045', 'l', 'F', 'M', 'R', '7957', 'e', '5145']

A: 30859
****
Q: ['1693', '9237', '7591', '1593', 'R', '6295', '9379']

A: 35788
****
Q: ['2225', '1925']

A:
4150
****