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

Output: 12293


Input: Consider Input: ['6055', 'v', '9455', 'A', '6817', 'D', '9339', 't', 'K', '1993']

Output: 33659


Input: Consider Input: ['9805', '3827', '1481', 'U', '6209', 'D', '5413', 'Z', 'h', 'K', '1737', '3127', 'B', 'b', '1567', 'w', 'f', 'Z', 'm']


Output: 33166