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]: ['5899', '229', 'm', '3347', 'k', 'q', 'g', '2755', '8727', '2035', '823', '6835', '9271', 'Q']
[A]: 39921


[Q]: ['3051', '5343', 'k', 'k', '6815', 'E', '4745', 'A', 'A', '1251', '6649', 'f', '4133', 'X']
[A]: 31987


[Q]: ['3969', '2739', '8371', 'd', 'h', '2317', '859', '2077', '241', 'X', 'o', 'p', '9787', '2239', 'M', 'Z']
[A]:
32599