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]: 3309 @ 2855 @ 8458 # 3671 # 4410 # 6229 # 4661 # 2777
[A]: -7126


[Q]: 6484 # 6042 @ 239 # 5161 # 7940 @ 2882 @ 8393 # 311 @ 6933
[A]: 5477


[Q]: 3517 # 2468 # 5175 # 2468 @ 4311
[A]:
-2283