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]: 123 # 6452 # 5554 # 9261 @ 6646
[A]: -14498


[Q]: 7106 # 9524 # 2673 # 4668 @ 6755 # 5653 # 2688 # 9360
[A]: -20705


[Q]: 3618 # 7583 # 9020 # 8472 @ 4627 # 5019
[A]:
-21849