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: ['n', 'u', '9595', 'M', 'o', 'K', '5073', 'x']

Output: 14668


Input: Consider Input: ['o', 'L', 'E', 'V', 'D', 's', 'Z', 'm', 'a', '2785', 'I', 'v', 'B', '7909', '1599', 'V', 'N']

Output: 12293


Input: Consider Input: ['o', '4219', '7711', 'I', 'L', 'a', 'h', '215', '4541', '9097', 'd', 'H', 's', '3739', 'm', '6679']


Output: 36201