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]: ['i', 'o', '5363', '5937', 'x', '6705', 'w', '5495', 'E', '9823', 'F', '83', '8443', '5223']
[A]: 47072


[Q]: ['e', 'T', 'O', 'q', '5511', 'G', 'm', 'E', '2153', 'O', '1139', '5097', 'n', '5653', 'v']
[A]: 19553


[Q]: ['2145', '8693', '9123', 'U', 'c', 'b', 'A', 'f', 'Q', '9749', '7211', '6603', 'o']
[A]:
43524