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: ['b', 'O', '7023', 'q', '2667', '681', 'C', '5707', '7125', 'q', 'Q', '1375', '8869', '6709']

Output: 40156


Input: Consider Input: ['e', 'l', 'M', 'l', '8697', 'v', '4177', 'A', '1771', 'e', '7125', 'z', '6457']


Output: 28227