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]: ['d', '6851', 'o', '5521', 'l', '3911', 'w', '1005', 'e', '3323', 'r', '7311', '4377']
[A]: 32299


[Q]: ['7215', 'd', 'q', 'k', '9301', 'P', 'x', 'C', 'g', 'e', 'o', '2769', '6993', '9769', 'v', '9007', '4131', '8627', 'q']
[A]: 57812


[Q]: ['9467', 'A', '3803', '693', 'z', '9693', '6275', '8481', '8921', '8005', 'L', 'O', '4309', '7049', 'S', 's', 'u', 'c']
[A]:
66696