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]: 1221 @ 4619 # 3319 @ 2958
[A]: 5479


[Q]: 1753 # 4314 @ 3538 # 7342 @ 6326 @ 6393 @ 136 @ 161 @ 4337
[A]: 10988


[Q]: 7731 # 1764 # 6772 # 5846 @ 5787
[A]:
-864