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: ['a', 'q', '4085', '6327', '6869', 'Z', 't', '7057', '1965', 'p', 'o']

Output: 26303


Input: Consider Input: ['1709', 'S', 'w', '7725', 'Z', '7755', '8081', '897', 'N', '4449', 'F', 'F', 'M', 'y', 'B', 'h', 's', 'l', 's', '415']

Output: 31031


Input: Consider Input: ['R', '1181', '719', 'Y', '3397', '5561', 'q', '5963', '7573', 'T', 'p', '583', 'B', '3909', '4863', '8571', 'n', 'j']


Output: 42320