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: ['9125', '1443', '2303', 'O', '8463', '401', '3983', 'g', '4327', 'z', 'n', 'F', 'Q', 'j', '9885']

Output: 39930


Input: Consider Input: ['1395', '3605', '6001', 's', 'h', 'T', 'K', 'X', '9413', 'X', '5099', 'c', 'f', 't', 'S', 'f', '4651']

Output: 30164


Input: Consider Input: ['2577', 'B', '3059', 'S', 'l', 'T', 'Q', 'x', 'f', 'l', 'y']


Output: 5636