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:
1566 @ 1639 # 814 # 5278 @ 1717 # 4304 # 6735 @ 1407
answer:
-10802


question:
8161 @ 9287 # 6233
answer:
11215


question:
1168 # 102 # 8047 # 7325 # 5430 # 9708 @ 158 @ 9020
answer:

-20266