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: ['c', 'E', 'M', '1303', 'y', 'H']

A: 1303
****
Q: ['Z', 'w', 'M', '2233', '5275', '5277', 's', '971', '7085', '6259', 'V', 'E', '4923', '7365', 'c', 'd', 'c', 'U', 'P']

A: 39388
****
Q: ['5675', 'r', 'O', 'l', '2169', 'h', 'n', '4969', 'J', '4271', 'o', '7271', '3493', '2981']

A:
30829
****