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:
2269 # 7857 @ 1906 @ 1098 # 6308 # 1142 @ 2063
answer:
-7971


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


question:
4028 # 4960 @ 6622 # 6803
answer:

-1113