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

2994 # 4380 @ 6720
5334

1021 # 2896 # 8239 # 5207 # 1962 # 5346
-22629

527 # 6323 # 4574 # 2122 @ 7104 # 9990

-15378