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]: ['k', '4991', '7289', '4355', 'I', '8415', '5175', '5329', 'G', 'a', '7193', 't', '8821', 'j', '7239', '405', 'y', 'O', '9881', 'w']
[A]: 69093


[Q]: ['1123', '2765', '9395', '9695', '7963', '3813', '9987', 'y', 'N', 'F', '2757', 'o', 'r', '4827', '3523', 'G', 'j', '9785', 'C']
[A]: 65633


[Q]: ['C', 'y', '5001', 'x', '2055', 'e', 'W', 'j', '8603', '1251', '7785', '7183', 'E', '7909', '9383', 'X', 'k', '9469']
[A]:
58639