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]: 345 @ 1076 @ 7948 # 854
[A]: 8515


[Q]: 3347 # 2950 @ 6671 @ 4670 # 7283
[A]: 4455


[Q]: 2809 # 5004 # 5703 # 2751 # 7010 @ 8558 # 2042 # 662 # 3308
[A]:
-15113