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: ['O', 'K', 's', 'V', '6815', 'c', '9277', 'V', '1783', 'b', 'i', '2045', 'E', 'E', '2035']

A: 21955
****
Q: ['a', 'm', '3205', '1869', '1117', 'K', '5785']

A: 11976
****
Q: ['6019', '1467', '3415', '7785']

A:
18686
****