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]: ['6515', '5525', 'o', 'Q', '9049', 'f', 'p', 'X', '2057', 'h', '7585', '3617', '7817']
[A]: 42165


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


[Q]: ['W', 'V', 'I', '427', '645', '8313', '6179', 'J', '3541', 'q', '9547', 'a', 'j', '4269', '5011', 'z', '2149', '5679', 'x', 'V']
[A]:
45760