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: ['2625', '1611', 'E', '4507', '3013', '1569', 'M', '2607', '1111', 'W']

Output: 17043


Input: Consider Input: ['6723', '1', '6357', '1497', 'A', 'p', 'N', 'T']

Output: 14578


Input: Consider Input: ['7433', 'v', '3277', 'T', 'L', 'f']


Output: 10710