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: ['a', 'q', '4085', '6327', '6869', 'Z', 't', '7057', '1965', 'p', 'o']

Output: 26303


Input: Consider Input: ['K', 'O', 'p', '1669', '8647', '3417', 'a', '8903', 'V', 'E', 'l', 'a', '5177', 'J', '6559', '5377', 'X', '9427']

Output: 49176


Input: Consider Input: ['x', '6053', '1573', 'B', 'n', 'O', 'z', '1761', '6121', 'x', '4293', 'z', 'h', '9743', '8827', '873', 'd', '8247', 'C']


Output: 47491