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: ['X', '6189', '5435', 'y', '8931', '8987', 'F', '8377', 'k', '8631', '8717', 'q', '2923', 'g', '7225', 'j']

A: 65415
****
Q: ['3051', 'Z', 'q', 'u', 'x', '2747', 'e', 'B', '4225', 'Q', 'R', '4629', 'F']

A: 14652
****
Q: ['L', '8081', '8431', '4325', 'Z', 'K', '9015', '4145', 'L', 'o', '989', 'i', 'M', '5909', 'V', 'z', '8643', '7559', 'M', '8097']

A:
65194
****