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: 1721 # 7193 # 7392 # 8999 # 7847 @ 5571 @ 4439 @ 7158 # 6030

Answer: -18572


Question: 1040 # 6682 @ 4286 # 1132 # 705 @ 4048 # 9240

Answer: -8385


Question: 4264 # 5752 @ 5246 @ 8797 # 8078

Answer:
4477