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: 123 # 6452 # 5554 # 9261 @ 6646

A: -14498
****
Q: 1718 # 8860 # 9652

A: -16794
****
Q: 3939 @ 1097 # 8923 # 8856 @ 9211 # 1843

A:
-5375
****