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: ['5233', 'i', 'Z', 'v', '4531', 'j', '61', '1725', '5915', '1677', 'F', 'K', 'M', 'Z']

Output: 19142


Input: Consider Input: ['k', '1489', 'x', '6543', 'I', 'l', 'D', '6299', '1473', 'a', '7661', 'z', 'E', 'Z', 'U', '3671', '2873', 'e', 'p']

Output: 30009


Input: Consider Input: ['2643', '5829', 't', '5055', 'x', 'x', '8027', '3301', 'X', '6269', '4779', 'E', 'H', '6129', 'Z']


Output: 42032