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

Output: 9274


Input: Consider Input: ['F', 'v', 'G', '6023', 'M', 'Q', 'A', '8477', '2079', 'A', '813', 'C', '3479', 'G', '1977', '5569', '8749', 'Y']

Output: 37166


Input: Consider Input: ['U', '9401', 'X', '5395', 'W', 'V', 'L', '493']


Output: 15289