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

Output: 3566


Input: Consider Input: ['C', '9973', 'b', '693', 'y', 'H', 'C', 'P', 'b', 'J', 'f', 'T', '2317', 'O', '5755', '8201', 'p', 'y', '8721', 'i']

Output: 35660


Input: Consider Input: ['I', '8975', '2853', 'O', '9117', 'i', 'm', '7153', 'F', '4597', '5191', '875', '3361', '5361', 'f']


Output: 47483