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:
2989 # 6833 # 4298 @ 8863 # 8408
answer:
-7687


question:
4089 @ 276 @ 7408 # 9945 @ 4656
answer:
6484


question:
198 # 1087 # 767
answer:

-1656