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: ['E', 'X', 'C', 'v', '2803', 'g', 'b', '763']

Output: 3566


Input: Consider Input: ['3927', 'K', '4437', 'j']


Output: 8364