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]: 1731 # 9932 # 4056 # 2303
[A]: -14560


[Q]: 1569 @ 5170 @ 566 # 6012 @ 5001
[A]: 6294


[Q]: 1332 @ 8295 @ 7000 # 829 @ 8637 @ 1253 # 154
[A]:
25534