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.

['O', '9829', '5265', 'U', 'z', '2843', '1483', '9293', '1327', '2015']
32055

['D', '9679', 'e', '5537', 'G', 'l', '2653', 'a', 'Y', '8467', 'q', 'L', '7239', 'O']
33575

['e', '2543', '5455', 'd', 'o', 'B', 'v', '6205', '8877', 'b', '2235', '1111', 's']

26426