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: ['9201', '5685', 'v', 'w', 'v', 'r', 'Y', 'm', 'q', 'e', 'P', '7595', 'c', 'W', 'd', '9985', 'V', '3719']

Output: 36185


Input: Consider Input: ['2585', '3043', 'w', '7697', '53', 't', 'A']

Output: 13378


Input: Consider Input: ['P', '7827']


Output: 7827