
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
Evaluate the expression \[\frac{y^1\cdot y^2\cdot y^3\cdots y^{18}}{y^3\cdot y^6 \cdot y^9 \cdots y^{27}}\]if \( y=3 \).

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