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.

Ex Input:
['3565', 'z', '8811', 'z', 'U', '113', 'I', '1307', '135', 'V', 'P', '5183', '2505', '4863', '1113', 'A', '7575', '827', 'B']

Ex Output:
35997


Ex Input:
['9445', '7291', 'r', 'g', '1175', '7823', '5507', 'j', '7249', '6335', '3853', 'b', 'u', 'S', '365', 'Z', '7489', 'S', 'W', 'e']

Ex Output:
56532


Ex Input:
['8757', '9285', 'C', '8919', '9673', 'm', '2295', 'F', 'r', 'u', '9635', 'h']

Ex Output:

48564