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: ['D', 'P', '9951', '2897', 'V', 'C', 'B', 'H', 'c', 'h', '2843', 'a']

Output: 15691


Input: Consider Input: ['95', '279', 'y', 'p', '5083', 'X', 'E', '3817']

Output: 9274


Input: Consider Input: ['K', '6803', '1755', 'D', 'V', '9343', 'B', '3003', '8699', '3325', '903', 'k', 'b', '7031', 'c', '5823', 'k', 'V', 'p', '1963']


Output: 48648