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: ['597', 'i', 'd', '3201', 'u', '1111', '8563', 'c', 'E', '5983', '6293']

Output: 25748


Input: Consider Input: ['Q', '6383', 'P', '8455', '3881', '5821', 'e', 'v', '1421', 'Q', '6377', '3157', '6407', 'q']

Output: 41902


Input: Consider Input: ['9323', '5795', '7729', 'c', '1997', '2325', 'o', '8897', '1699', 'i']


Output: 37765