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.

[Q]: ['8361', '6757', '5341', '2597', '9803', 'a', 'd', '5889', '9823', 'd', '7947', 'y', 'p']
[A]: 56518


[Q]: ['u', 'W', '1561', '9243', '4923', '9385']
[A]: 25112


[Q]: ['V', '2119', '9145', 'Q', '4831', '6819', 'e', '3635', '523', 'v', 'o', '9439', 'n', 'h', '9879', 'e', 'h', 'N', 'b', 'H']
[A]:
46390