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: ['T', '721', '6555', 'g', 'y', 'U', '3053', 'A', '9663']

Output: 19992


Input: Consider Input: ['95', '279', 'y', 'p', '5083', 'X', 'E', '3817']

Output: 9274


Input: Consider Input: ['6203', 'a', 'K', 'e', 'w', '3271']


Output: 9474