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

[EX Q]: 463 @ 7844 # 9816
[EX A]: -1509

[EX Q]: 1221 @ 4619 # 3319 @ 2958
[EX A]: 5479

[EX Q]: 4971 # 1885 @ 3422 # 3148 # 4810 @ 3094 @ 2238
[EX A]:
3882