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: 720 # 1309 @ 989 @ 1211 # 5749 # 7 @ 3147 # 9792 # 1243

Answer: -12033


Question: 9656 # 6289 # 4308 # 2092 # 5148 @ 9253

Answer: 1072


Question: 7343 @ 5821 # 4405

Answer:
8759