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: ['2895', '8095', 'y', '1927', '4827']

A: 17744
****
Q: ['s', 't', 'W', '163', 'v']

A: 163
****
Q: ['6721', 'X', 'm', '9035', '1811', 'G', '1429', 'J', '3313']

A:
22309
****