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.

[Q]: ['b', 'i', '7807', 'g', '1611', '6733', 'V', '561', 'C', '8575', 's', 'E', '8129', 'F']
[A]: 33416


[Q]: ['6551', 'm', '3941', 'F', 'K', 'u', '7981', '9581', 'X', 'M', 'N', 'e', 'G', 'i']
[A]: 28054


[Q]: ['B', '6023', 'I', '8461', 'S', 'A', 'M', 'A', '6771', 'P', 'S', '5915', 'V']
[A]:
27170