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

2367 @ 4877 @ 8467 @ 5488 # 987 # 8899
11313

8760 @ 4583 # 2942 # 3854 # 5061 @ 31 # 5965
-4448

2410 # 6452 @ 8250 # 4738 @ 9570 @ 9372

18412

