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]: 4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991
[A]: -1235


[Q]: 1185 # 6431 @ 1326 # 2840 # 9276
[A]: -16036


[Q]: 9920 @ 1131 # 8531 # 8004 @ 8198 # 1649
[A]:
1065