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: 6504 @ 9004 @ 1933 # 9793 # 8800 @ 1839 @ 5331 # 3056 # 7052
A: 
-4090