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

9407 @ 4324 # 2220 # 8668 @ 1606 @ 4059
8508

2763 @ 869 # 8299
-4667

7020 # 9463 # 1192 @ 2280 # 4044

-5399