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 Q]: ['v', '4119', 'I', '475', 'd', 'L', '909', 'F', 'V', '775', 'k', 'A', '9411', '8383', 'W', '1521', 'z', 'j', '7057', 'I']
[EX A]: 32650

[EX Q]: ['7335', '813', '6461', '8903', '3709', 'V', 'G', 'I', 'P', 'p', 's', 'v', 'R', '4697', '4263', '9897']
[EX A]: 46078

[EX Q]: ['W', 'q', 'w', 'q', '8037', 'q', '6279', 'M', 'B', '9429', '1193', 'z', 'z', 'H', '6375', 'v', '9715', 'q']
[EX A]:
41028