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: ['y', 'F', '135', '7359', '8579', '6809', '3979', 'H', 'm', '5059', '373', 'Y']

Output: 32293


Input: Consider Input: ['4529', '7465', 'S', 'Z', 'v', 'w', '5791', '3363', '2643']

Output: 23791


Input: Consider Input: ['i', 'c', 'F', '8713', '8823', 'z', 'W', '139', 'X', 'j', 'g', '5633', '5253', '9383']


Output: 37944