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.

['4389', '8535', 'D', '6063', 'z', 'r', 'w', '5725', '291', 'a', '9059', '569', '2943', 'W']
37574

['l', '2511', '2071', 'o', 'F', '7583', '1909', '1859', '3299', '3853', 'h', 'P', 'P', '9175', 'B', 'F']
32260

['3353', 'B', '941', 'Z', 'C', '3041', '3463', 'e', '4251', '4293', '6165', 'W', 'u', 's', 'a', '6657', '2685', '9637', 'V']

44486