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
--------
Question: 8771 @ 2575 # 7914 # 3691

Answer: -259


Question: 8158 @ 1325 @ 395 # 4068 @ 4226 @ 7713 @ 8368 # 3297

Answer: 22820


Question: 6072 # 3133 @ 8542 @ 4328 # 6851

Answer:
8958