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]: 8050 # 8744 @ 5247 # 7761 # 8743
[A]: -11951


[Q]: 2448 @ 5284 # 6313 @ 7761 @ 4601 @ 6800
[A]: 20581


[Q]: 3458 @ 2503 # 9141 # 8125 @ 7519
[A]:
-3786