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

1731 # 9932 # 4056 # 2303
-14560

6203 # 8978 # 1139 @ 240 # 4716
-8390

6175 # 1067 # 5601

-493

