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

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

A: -12033
****
Q: 1446 @ 5354 # 6450 # 2821 @ 2258

A: -213
****
Q: 8795 @ 6547 @ 3215 @ 7177 # 697 # 9588 # 6580 @ 6769

A:
15638
****