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.

Ex Input:
['7361', '3605', 'V', '2039', '9665', 'X', 'b', '1195', '657', '6509', '7195', '2013', '1847', 'v', '9499', '1761']

Ex Output:
53346


Ex Input:
['1319', '6105', '1119', 'c', 'p', '7617', '5113', 'a', '5115', '6731', '6693']

Ex Output:
39812


Ex Input:
['E', 'D', '9817', 'I', 'c', '489', 'M', '1025', 'a', 'V', 'p', 'i', '7613', '1535', 'Y', 'J', '9413', 'O', '1093']

Ex Output:

30985