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: ['2237', '2597', '2593', 'Y', '5345', 'g', 'l', 'I', 'p', 'u', 'L', 'T', '617', '9759', 'b', 'w', '7097', '9863']

Output: 40108


Input: Consider Input: ['3723', 'v', 'j', 'e', '2017', 'd', '4211', '2079']

Output: 12030


Input: Consider Input: ['z', '8479', '4927', 'G', 'N', 'E', '7325', 'J', 'C', '761', '8061', 'A', 'L', '6203', '1761', '3425', 'Q', '1099', 'B']


Output: 42041