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

2808 @ 9510 # 4684 @ 8160 # 7003 # 6631 # 9199 # 455
-7494

3164 # 160 @ 1567 # 8453 # 9293 @ 9371
-3804

2677 @ 2985 # 4137 @ 3098 @ 56

4679