
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
Given that Simon practices for 12, 16, and 14 hours in the first three weeks, calculate the number of hours he must practice in the fourth week to achieve an average of at least 15 hours over 4 weeks.

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