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: 7803 @ 6524 @ 7077 # 1627 # 3959

Answer: 15818


Question: 6261 @ 9491 @ 3830 @ 9360 # 9515 # 9008 # 779 # 6816 # 3969

Answer:
-1145