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: ['Z', 'w', 'M', '2233', '5275', '5277', 's', '971', '7085', '6259', 'V', 'E', '4923', '7365', 'c', 'd', 'c', 'U', 'P']

Output: 39388


Input: Consider Input: ['2039', '1679', '9675', 'S', 'J', '2069', 'r', 'e']

Output: 15462


Input: Consider Input: ['u', 'T', 'e', 'o', '6309', '697', 'T', 'Q', '259', 'x', '5015', '9075', '1925']


Output: 23280