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: 3529 @ 2441 @ 1274 # 3916 @ 9691 @ 1272 # 1286

Answer: 13005


Question: 6730 # 2247 @ 8292 # 8898

Answer:
3877