instruction:
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
question:
2994 # 4380 @ 6720
answer:
5334


question:
9039 @ 4996 @ 845 # 5409
answer:
9471


question:
1707 @ 9655 # 5079 # 6841 @ 8493 # 5506 # 6318 @ 8089 # 5820
answer:

-1620