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: 4246 # 8950 # 4613 # 5694 @ 1240 # 8081 @ 2993 # 717 @ 8651
A: 
-10925