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

4956 # 4259 # 3459
-2762

3407 @ 917 # 567 @ 5987 # 5936
3808

9407 @ 4324 # 2220 # 8668 @ 1606 @ 4059

8508