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.

Input: Consider Input: ['457', '173', '6807', 'o', '555', 'l', 's', 'Z', 'm', '3035', '1283', '5645', 'S', '8641', 'J', 'Z', 'z', 'K']

Output: 26596


Input: Consider Input: ['6565', 'T', 'O', '2901', '5121', 'y', '9617', 't', '7825']

Output: 32029


Input: Consider Input: ['8485', '1313', '6461', '3481', 'H', '4321', 'y', 'y', '1055', 'i', 'L']


Output: 25116