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.

['4509', '4165', '8651', '8057', 'a', '2241', 't', 'i', 'q', 'S', '5149', 'J', 'j', '1373', 'W', 'X', '235', 'm', '3225']
37605

['2013', 'S', 's', '9353', 'b', 'u', '6687', '5429', '3545', '7269']
34296

['X', 'y', '9773', 'E', 'c', '7429']

17202