In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer

Q: 6960 # 4418 @ 5450 @ 8475

A: 16467
****
Q: 992 # 6304 @ 9489 # 6814 # 5448 @ 4565

A: -3520
****
Q: 5295 # 3997 @ 9104

A:
10402
****