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: ['211', '7561', '8725', '6139', 'I', '6585', '4231', 't', '2983', 'T', 'S', '9569', 'R', 'b', 'N', 'X', '9009']

A: 55013
****
Q: ['3351', '6445', 'Y', '8455', 'V', 'z', 'a', 'V', 'S', '8551', '4101', 'q', '8743', '5999', '7155', '3825', '2241', '9957']

A: 68823
****
Q: ['7527', '3081', '8477', 'q', 'a', 'e', 'u', '3867']

A:
22952
****