
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
Find the smallest natural number \( n \) with the following properties:
(a) In decimal representation, it ends with 6.
(b) If we move this digit to the front of the number, we get a number 4 times larger.

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