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:
4787 # 6151 # 6235
answer:
-7599


question:
7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075
answer:
-4775


question:
9807 @ 9345 # 5133 # 8042 @ 1499 # 8153 # 638
answer:

-1315