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]: ['I', 'n', '3069', '477', 'F', 'k', '847', '6777', 'N', 'X', 'F', '1417', '9445', 'o', 'v', 'd', '2169', 'w']
[A]: 24201


[Q]: ['2237', '2597', '2593', 'Y', '5345', 'g', 'l', 'I', 'p', 'u', 'L', 'T', '617', '9759', 'b', 'w', '7097', '9863']
[A]: 40108


[Q]: ['E', 'q', 'o', 'G', 'z', 'c', '1725', '8995', 'Z', '7771', 'N', 'Y', 'n', '4823']
[A]:
23314