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: ['s', 'M', 'U', '5383']

Output: 5383


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

Output: 24451


Input: Consider Input: ['b', 's', '1059', 'n', '7287', '327', 'E', 'X', '5039', 'b', '6049', '513', 'F', '2755', 'y', '1543', '9353', '2523']


Output: 36448