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:
8916 # 6070 # 4406 # 1732 # 434 @ 143 # 9650 @ 8419 # 4599
answer:
-9413


question:
1774 # 6033 # 3757 @ 3570 @ 6463 # 5537
answer:
-3520


question:
1021 @ 4746 # 1557
answer:

4210