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: ['3013', '3955', 'f', '1183', '5111', '9509', '2351', '7087', 'f']

A: 32209
****
Q: ['y', 'F', '135', '7359', '8579', '6809', '3979', 'H', 'm', '5059', '373', 'Y']

A: 32293
****
Q: ['D', '9679', 'e', '5537', 'G', 'l', '2653', 'a', 'Y', '8467', 'q', 'L', '7239', 'O']

A:
33575
****