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
--------
Question: 6904 # 1007 @ 9690 @ 9967 @ 9620 @ 4765

Answer: 39939


Question: 9504 # 5838 @ 6008 @ 5759 @ 2689

Answer: 18122


Question: 238 @ 6311 # 8261 # 5906 # 7107 @ 9047 @ 1042 @ 9827 # 8255

Answer:
-3064