
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Before the lesson, the math teacher wrote nine consecutive numbers on the board, but one of them was accidentally erased by the students on duty. When the lesson began, it was found that the sum of the remaining eight numbers was 1703. What number did the students on duty erase?

Present the answer in LaTex format: \boxed{Your answer}
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