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


[Q]: ['8207', '4791', '3925', 'b', 'Z', '8471', '9215', '3117', 'p', '9095', 'h', 'k', 'E', 'h', '6047']
[A]: 52868


[Q]: ['U', '3653', '7453', '6155', '1775', '2447', 'E', '4583', '5681', 'm', '9179', '7575', '4761', 'M', '1827', 'K', '3433', '3223', 'Q', 'O']
[A]:
61745