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]: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
[A]: -4443


[Q]: 1837 @ 4842 # 1682 @ 5953
[A]: 10950


[Q]: 1057 @ 3862 @ 690 @ 6582 # 9958
[A]:
2233