
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
Ashley climbs the first flight of stairs in 30 seconds, and each subsequent flight takes 10 seconds more than the previous one. How many total seconds does it take her to climb the first four flights of stairs?

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