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: ['w', '8035', 'J', '2671', '7509', '1573', '6915', '8569', '345', 'T', 'P', 's', '1341', '7823', '8671', 'm', 'Q', 's', 'N']

A: 53452
****
Q: ['t', '7469', 'Y', 'N', '8137']

A: 15606
****
Q: ['8801', 'W', '3909', 'b', '5911', '867', 'j', '1803', 'X', '1889', '6909', '6595', 'w', '1083', 'D', '8025', '3455', 'S', '2767']

A:
52014
****