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: 9720 @ 6485 @ 1745 @ 728

Answer: 18678


Question: 9084 # 8139 @ 4937

Answer: 5882


Question: 5252 @ 752 # 4081 @ 8146

Answer:
10069