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: ['8361', '6757', '5341', '2597', '9803', 'a', 'd', '5889', '9823', 'd', '7947', 'y', 'p']

A: 56518
****
Q: ['P', '237', 'X', '8893', '7931', 'F', '8359', 'S', '6931', '6953', 'r']

A: 39304
****
Q: ['597', 'i', '6409', 'Q', '7649', '2223', '8105', '7635', '1907', '1053', 'G']

A:
35578
****