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.

Ex Input:
['i', 'o', '5363', '5937', 'x', '6705', 'w', '5495', 'E', '9823', 'F', '83', '8443', '5223']

Ex Output:
47072


Ex Input:
['1965', '8127', 'x', '4981', '8077', 'O', '467', '701', 'V', 'm', 'y', '5989', '123', 't', '4019', 'j', '1827', '8799']

Ex Output:
45075


Ex Input:
['9705', '5243', 'D', '1403', 'M', '9957', 'K', 'F', '7251', '5573', '1459', '805', '8009', 'n', '3365']

Ex Output:

52770