
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
In the sequence \(1, 3, 2, \cdots\), each term after the first two terms is the difference of the two preceding terms (the former term minus the latter term). Find the sum of the first 100 terms of this sequence.

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