
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
A cylindrical post has a circumference of 4 feet, and a string wraps around it, spiraling from the bottom to the top. The string makes five complete loops around the post, starting at the bottom edge and finishing at the top edge. The height of the post is now 15 feet. Determine the length of the string.

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