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.

Ex Input:
['e', 'T', 'O', 'q', '5511', 'G', 'm', 'E', '2153', 'O', '1139', '5097', 'n', '5653', 'v']

Ex Output:
19553


Ex Input:
['5829', '9755', '67', 'F', '6347', 'p', 'i', 'X', 'z', 'o', '2321', 'F', '6145', 'B', '3903']

Ex Output:
34367


Ex Input:
['8383', 'W', '5733', 'L', 'C', '4297', 'e', '4885', 'Y', 'I', 'B', 'y', 't', 'n', 'D', 'V', 'c', 'r', 'W']

Ex Output:

23298