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', 'x', '5629', 'k', '2003', 'v', '541', 'l', 'v', '7983', '677', '6173', 'z', 'J', 's', 'u', '2187', 'Y']

Output: 25193


Input: Consider Input: ['7231', '2813', '51', '1745', 'c', 'a', '4929', '3185', '5707', '2095', 'f', 'S']

Output: 27756


Input: Consider Input: ['c', '5421', 'y', '119', '267', 'w', 'i', 'x', 'b', '833', '4601', 'l', '349', '3421']


Output: 15011