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]: 7211 # 614 @ 1584 # 4857 # 1495 # 1821 # 2219
[A]: -2211


[Q]: 8771 @ 2575 # 7914 # 3691
[A]: -259


[Q]: 8731 # 9025 # 5093 @ 2403 # 8549
[A]:
-11533