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: ['K', '9121', 'y', '4233', '1513', 'd', '5609', 'C', 'q', 'p', 'S', '627', 'q', 'I']

A: 21103
****
Q: ['1965', '8127', 'x', '4981', '8077', 'O', '467', '701', 'V', 'm', 'y', '5989', '123', 't', '4019', 'j', '1827', '8799']

A: 45075
****
Q: ['p', '5237', 'i', 'M', 'k', 'K', 's', '2509', 'f', '5709', '6571', 'u', 'H', '7203', 'x', '2929', 'h', '4675']

A:
34833
****