What is the remainder when $$1 -2 + 3 - 4 + 5-6+7-8+ 9 - 10+11$$is  divided by 8?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the remainder when $$1 -2 + 3 - 4 + 5-6+7-8+ 9 - 10+11$$is  divided by 8?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
6
What is the remainder when $$1 -2 + 3 - 4 + 5-6+7-8+ 9 - 10+11$$is  divided by 8?
train