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: ['1395', '3605', '6001', 's', 'h', 'T', 'K', 'X', '9413', 'X', '5099', 'c', 'f', 't', 'S', 'f', '4651']

Output: 30164


Input: Consider Input: ['129', '8667', 'E', '2919', 'e', 'Y', 'h', 'm', '501', '5911', 'q', '4955', 'D', '1369', 'W']

Output: 24451


Input: Consider Input: ['p', '8517', 'e', 'D', 'i', 'D', '7697', 'F', '9033', 'x']


Output: 25247