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:
4324 # 426 # 9171 # 980 @ 9454 @ 9720 # 7367 # 9266 # 1237
answer:
-4949


question:
6884 @ 145 # 2208 # 5356 # 3578 @ 606
answer:
-3507


question:
2709 # 8741 @ 9559 # 2449 # 6907 # 2090
answer:

-7919