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:
3970 # 8486 # 9402 # 8030 @ 4724 @ 8858
answer:
-8366


question:
4428 # 2569 @ 338 # 967 @ 2206
answer:
3436


question:
1657 @ 713 # 477 @ 2626 # 1622 @ 7378
answer:

10275