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:
4130 @ 6495 # 3973
answer:
6652


question:
2057 # 2330 # 9059 # 2713 # 7404 @ 4349
answer:

-15100