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]: 5211 # 3266 @ 3042 @ 254 # 7823 @ 4298 # 8042 # 1629 # 6738
[A]: -14693


[Q]: 1855 # 9818 @ 3927 @ 9533 # 8557 @ 619 # 7543 # 2844
[A]: -12828


[Q]: 1790 # 2616 # 1236 @ 7777 @ 5217 @ 9664 @ 2725 # 6371
[A]:
16950