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:
4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991
answer:
-1235


question:
8625 @ 3267 # 2323 # 3569
answer:
6000


question:
7847 @ 4807 @ 7427
answer:

20081