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:
1917 @ 4353 @ 4321 @ 3060 @ 6681 @ 7890 @ 8148
answer:
36370


question:
4867 # 7162 @ 1616 # 596 # 7845 @ 9594 # 3650 @ 6833
answer:
3657


question:
6167 # 7040 @ 7937 # 9944
answer:

-2880