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: 3309 @ 2855 @ 8458 # 3671 # 4410 # 6229 # 4661 # 2777

Answer: -7126


Question: 4460 @ 9143 # 6720 # 8379 @ 1636 # 6526

Answer: -6386


Question: 8425 # 871 # 3077 # 9330 # 7712

Answer:
-12565