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: ['1395', '3605', '6001', 's', 'h', 'T', 'K', 'X', '9413', 'X', '5099', 'c', 'f', 't', 'S', 'f', '4651']

A: 30164
****
Q: ['c', 'E', 'M', '1303', 'y', 'H']

A: 1303
****
Q: ['u', '2669', '2871', '9009', '8755', 'L', 'k', '4385', 'I']

A:
27689
****