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: ['8763', 'k', '3653', 'v', 'd', 'D', 'm', '1037', 'c', 'F', '2349', '7843', '3259', 'v', '5555', '7565', '8137', 't']

Output: 48161


Input: Consider Input: ['8667', '4129', '7075', '6345', '1315', 'M', 'F', '9073']

Output: 36604


Input: Consider Input: ['7437', '3653', '731', 'E', 'G', '3475', 'u', '1467', '6593', '6649', '2599', 'D']


Output: 32604