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: ['5021', 'q', '4109', 'g', 'w', 'C', 'w', '239', 'N', '9755', '8591', '7083', 'Q', '7907', 'w', 'U', 'a', '4901', 'k', 'G']

Output: 47606


Input: Consider Input: ['M', '5201', '2787', 'z', '9465', 'X', 'X', '4017', '8305', 'y', '6897', 'y', '6045', '9863', 's', 'd', '3611', 'l', 'd']

Output: 56191


Input: Consider Input: ['V', 'X', '6223', 'M', 'g', 'A', 'B', '7193', '8791', 'y', '7833', 'E', 'q', '5389', 'M', '2639', '2019', 'X']


Output: 40087