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.

['2417', '6671']
9088

['y', 'F', '135', '7359', '8579', '6809', '3979', 'H', 'm', '5059', '373', 'Y']
32293

['n', '8071', '9157', 'v', '7645', 'G', '9125', '3539', 'c', '8089', 'c', 'V', 'v', 'K', '85', 'B', '657']

46368