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: ['o', '7099', 'G', 'v', 'H', 'J', 'k', '1607', 'i', '9765', '2489', '8031']

Output: 28991


Input: Consider Input: ['3145', 'C', '7725', 'k', 'z']

Output: 10870


Input: Consider Input: ['i', '4683', 'C', '1005', 'o', 'A', '343', '7955', 'u', 'y', 'G', 'h', '9085', 'D', '9573']


Output: 32644