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]: ['8361', '6757', '5341', '2597', '9803', 'a', 'd', '5889', '9823', 'd', '7947', 'y', 'p']
[A]: 56518


[Q]: ['9201', '5685', 'v', 'w', 'v', 'r', 'Y', 'm', 'q', 'e', 'P', '7595', 'c', 'W', 'd', '9985', 'V', '3719']
[A]: 36185


[Q]: ['T', '7897', 'U', '5073', '8645', '6867', '1405', 'j', '3827', 'm', 'n']
[A]:
33714