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

9776 # 6717 # 9329 @ 6055 # 8635 @ 6132 @ 3374
656

9740 # 2076 @ 1176 # 4617

4223