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

4089 @ 276 @ 7408 # 9945 @ 4656
6484

1070 @ 5674 @ 50 # 2252
4542

1449 # 5549 @ 4484 @ 6574 @ 5348 @ 8751 # 2397

18660