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: ['61', '5695', 'u', '253', 'n', '1035', 'd', '3017']

Output: 10061


Input: Consider Input: ['g', '5301']

Output: 5301


Input: Consider Input: ['7093', 'a', '7091', '9019', '8327', 'm', 'c', '7701', '5145', 't', '1861', 'S', '7935']


Output: 54172