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]: 2377 @ 4500 # 8359 @ 9946 # 9011
[A]: -547


[Q]: 1040 # 6682 @ 4286 # 1132 # 705 @ 4048 # 9240
[A]: -8385


[Q]: 5918 # 3034 @ 2234 @ 3244 # 9987 @ 4087 @ 1781 # 786 @ 94
[A]:
3551