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]: 4787 # 6151 # 6235
[A]: -7599


[Q]: 6385 # 7829 @ 2463 @ 3411 # 652 # 5880 # 6454
[A]: -8556


[Q]: 4640 @ 7598 # 8402 @ 6728 @ 775 @ 2331 # 9543
[A]:
4127