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: ['901', '1939', '7637', '8863', 'X', '5003', '8791', '4757', 'E', '1525', 'y', '9735']

A: 49151
****
Q: ['9201', '5685', 'v', 'w', 'v', 'r', 'Y', 'm', 'q', 'e', 'P', '7595', 'c', 'W', 'd', '9985', 'V', '3719']

A: 36185
****
Q: ['P', 'n', 'q', '8871', '4283', '6379', 'F', 'E', '9391', 'E', 'u', 'Z', 'T', '5211', 'Z', 'u', '6157', 'n']

A:
40292
****