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]: ['9401', 'w', 'b', '8287', 'n', 'O', 'H', 'h', '45', '2337']
[A]: 20070


[Q]: ['1319', '6105', '1119', 'c', 'p', '7617', '5113', 'a', '5115', '6731', '6693']
[A]: 39812


[Q]: ['5457', 'P', 'R', '3653', 'o', '7335', '2551', '7229', '3985', 'w', 'O', 'j', 'y', '5115', 'q', '1765', 'y', '1135', 'i']
[A]:
38225