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: 463 @ 7844 # 9816

Answer: -1509


Question: 7769 @ 9568 @ 388 # 5101 # 8590 # 9063 # 5298 @ 7728

Answer: -2599


Question: 2390 # 9759 # 7247

Answer:
-14616