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: ['3895', 's', 'j', '7755', 'H', '7941', '4903', 's', '3629', '1183', '1001', '5569', 'q', '4735']

A: 40611
****
Q: ['8109', '6811', 'f', 'l', '5869', 'm', '4657', 'y', 'P', '7983', 'o', 's', 'i', 'm', '2141', '4497']

A: 40067
****
Q: ['8125', '6511', '2741', '9047', '7193', '7739', '4109', '257', 'I', 'b', 'A', 'Z', 'c', 'E', '5495']

A:
51217
****