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: ['6645', 'k', '4879', 'N', '113', 'L', 'x', '8365', 'v', 'A']

Output: 20002


Input: Consider Input: ['a', '2453', '7109', 'W', 'P', 'u', '6553', '2755', 'W', 'H', 'N', '5039', 'z', '1747', 'L', '1243', '7471', 'T', 'T', 'J']


Output: 34370