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

3298 @ 1140 @ 3407 # 8200 # 7383 # 6043 @ 5264
-8517

6896 @ 8548 @ 1670 @ 7550 # 921
23743

7466 # 680 # 8909

-2123