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:
519 @ 9686 @ 3145 # 9320
answer:
4030


question:
4500 @ 7263 # 575 @ 2838
answer:

14026