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:
2678 # 5467 @ 8355 # 3124 # 5654
answer:
-3212


question:
1463 @ 3742 @ 6816 @ 2090 @ 7068 @ 283 # 5740 @ 4067
answer:
19789


question:
887 @ 7786 # 3138 # 648 # 7215
answer:

-2328