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]: ['8743', 'Y', 'O', '8265', '1029', '5689', 'F', 'j', 'Z', 'i', 'S', '1285', '737']
[A]: 25748


[Q]: ['6051', '5303', '1509', '2797', 'Z', '4777', '721', '8563', 'K', '63', '9115', 'd', '7305', '9743', '7409']
[A]: 63356


[Q]: ['x', '1599', '8839', '5465', '3097', 'm', 'j', 'O', 'e', '9821', 'w', '3859', '5965', '3053', '6719', 'g', 'H']
[A]:
48417