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]: ['o', 'J', 'B', '7765', '7781', '5513', '8721', 'u', '9557', 'C', 'A', '1281', '6565', 'H', '5559', '1695', '7577']
[A]: 62014


[Q]: ['1057', '3937']
[A]: 4994


[Q]: ['6687', 'F', 'N', '7193', 'A', '3079', '8447', 'Z', '5577', '1245', 'd', '8201', 'Y', 'm']
[A]:
40429