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: ['b', '5689', '119', 'p', 'P', 'J', 'w', 'm', '7397', 'Y', '447', 'O', 'p', '319', 'H', 'U']

Output: 13971


Input: Consider Input: ['Z', '6245', 'N', '1403', 'b']

Output: 7648


Input: Consider Input: ['O', '6695', '7997', '4869', '4519', '703', 'd', 'O', 't', 'G', '65', '8097']


Output: 32945