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]: ['a', 'f', '2185', 'N', '6381', '6429', '7499', 'd', '757', 'k', 'k', 'b', 'N', '2697', 'A', '8037']
[A]: 33985


[Q]: ['h', '1157', 'm', '8975', '6165', '7491', '1855', '3489', '9629', '631', '9641']
[A]: 49033


[Q]: ['m', '261', 'Y', 'T', '6391', 'r', '1061', '4831', 'K', 'm', '2629']
[A]:
15173