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: 7961 # 5474 @ 4234 # 4358 # 7627 # 2291 # 9771 @ 9867 # 813
A: 
-8272