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: ['t', '7015', '2239', 'I', 'F', 'E', '1363', '9615', '6179', '2539', 'z', '8745', '1319', '4715', '9071', 'K', '3707', '6149', 'd']

Output: 62656


Input: Consider Input: ['887', '8133', 'X', '2253', '8461', 'I', '5425', 'Z', 'z', 'r']

Output: 25159


Input: Consider Input: ['6297', '1101', '6385', '9371', '2699', 'A', '5979', 'f', '4131', '4547', '8579', '7243', '2193', 'A', 'c']


Output: 58525