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: ['9211', '1889', '7371', '9649', 'b', 'y', 'q', 'a', 'i', '1137', '3291', '8625']

Output: 41173


Input: Consider Input: ['I', '1941', '2423', '3381', 'J', '6589', 'h', 'D']

Output: 14334


Input: Consider Input: ['r', '2251', 'X', 'H', 'a', '5463', 'g', 'M', '9797', '1581', 'o', 'm', 'v', 'E']


Output: 19092