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: 2377 @ 4500 # 8359 @ 9946 # 9011

A: -547
****
Q: 64 # 5994 @ 8659 # 885

A: 1844
****
Q: 8932 # 2337 @ 825 # 8463 @ 528

A:
-515
****