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: 8571 # 5985 @ 8912

A: 11498
****
Q: 3462 @ 9743 @ 8298

A: 21503
****
Q: 23 # 7991 # 1064 @ 8364

A:
-668
****