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:
2285 @ 1970 @ 4720
answer:
8975


question:
5631 # 7224 @ 9746 # 8532 @ 8996 # 3971 # 8538 @ 5270 # 9789
answer:
-8411


question:
6355 # 6917 @ 4973 # 184 # 249 @ 2533 # 8359 # 8681 # 9371
answer:

-19900