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

[Q]: 9546 @ 5515 @ 6740 # 2069 # 921 # 9110 # 5067 # 3917 # 6434
[A]: -5717


[Q]: 3839 # 8343 # 3366 @ 9432 @ 4687 @ 2441 # 89
[A]: 8601


[Q]: 300 # 9340 # 2878 @ 8398
[A]:
-3520