TASK DEFINITION: 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
PROBLEM: 3164 # 160 @ 1567 # 8453 # 9293 @ 9371

SOLUTION: -3804

PROBLEM: 6120 # 9271 # 7167 @ 6916 # 2510 @ 7854 # 7909 # 1960 # 3775

SOLUTION: -11702

PROBLEM: 4009 # 2084 @ 1326 # 5854

SOLUTION:
-2603