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]: ['187', 'J', 'l', 'p', '1009', 'g', '5817', 'V', 'B', 'Z', '3329', '9253']
[A]: 19595


[Q]: ['2237', '2597', '2593', 'Y', '5345', 'g', 'l', 'I', 'p', 'u', 'L', 'T', '617', '9759', 'b', 'w', '7097', '9863']
[A]: 40108


[Q]: ['9251', 'H', '7209', '3013', 'q', 'A', '7059', '8699', '3447', '4871', 'O', 'Y', 'F', '3079', '6909', 'N', 'm']
[A]:
53537