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', '9829', '5265', 'U', 'z', '2843', '1483', '9293', '1327', '2015']

Output: 32055


Input: Consider Input: ['8683', 'p', '47', '8983', 'g', 'u']

Output: 17713


Input: Consider Input: ['G', '237', '2339', '6705', '6703', 'L', 'Q', '7735', '1409', 'i', 'I', 'G', '2613', 'j', 'm', 'P', 'I']


Output: 27741