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: ['Z', '4157', '5185', 'U', 'i', '1115', 'A', '7427', '3313', 'S']

Output: 21197


Input: Consider Input: ['95', '279', 'y', 'p', '5083', 'X', 'E', '3817']

Output: 9274


Input: Consider Input: ['5007', 'W', '3347', 'x', '5465', 'E', 'F', '7801', 'G', '9591', 'h', '4327']


Output: 35538