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: ['H', 'i', '8085', 'E', 'q']

Output: 8085


Input: Consider Input: ['i', 'A', 'a']

Output: 0


Input: Consider Input: ['W', '8461', 'J', '6619', 'A', '7405', '2581', '437']


Output: 25503