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: ['U', '5885', 'u', 'Y', 's', 'w', 'j', '9629', '9505', 'U']

Output: 25019


Input: Consider Input: ['4701', 'b', 'i', 'B', 'z', '7837', 'W']

Output: 12538


Input: Consider Input: ['5391', 'z', 'U', '6347', 'h', '869', 'w', '1415', 'Q', 's', 'S']


Output: 14022