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: ['W', '8593', '9427', '9931', '8919', 'X', 'B', '8861', '1933', 'Z', 'V', '3427', 'S', '8717', 'd', '1593', '7659', 'Q', 'n']

A: 69060
****
Q: ['3319', 'e', 'c', 'G', '2399', '1557', '4813', 'z', 'U', '4895', 's', '1193', 'A', 'G']

A: 18176
****
Q: ['J', 'y', '2655', 'E', '9959', 'a']

A:
12614
****