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: ['3107', 'D', '9595', '8807', 'Q', 'o', 'T', 'N', 'A']

Output: 21509


Input: Consider Input: ['8591', 'J', 'l', 'l', '7023', 'N', 'n']

Output: 15614


Input: Consider Input: ['z', 'e', '3819', 'P', 'A', 'D', '8853', '6837', '3741', '2387', '4825', '3909', 'x', '4317', '6647', 'B', '9925', '1625', 'B', 'e']


Output: 56885