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


[Q]: ['R', 'I', 'f', 'K', 'p', '8579', 'e', '1223', 'I', 'K', '8311', '2147', '4241', 'z', '6671', 'r']
[A]: 31172


[Q]: ['L', 's', '8739', '9079', '5029', 'R', 'U', 'l', 'L', 'Z', 'A']
[A]:
22847