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: ['q', '6631', 'b', '4207', '7523', '9853', '9203', 'P', '5029', 'b', '2319', '4717', '2485']

A: 51967
****
Q: ['I', '7815']

A: 7815
****
Q: ['1083', '3085', '9839', 'z', 'w', '6087', '15', '2329', 'Y', '1375', 'd', 'h', 'D', '9847', '7695', '6943']

A:
48298
****