
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
Chim Tu has four different colored T-shirts and can wear an outfit consisting of three or four T-shirts worn in a specific order. Two outfits are distinct if the sets of T-shirts used are different or if the sets of T-shirts used are the same but the order in which they are worn is different. Given that Chim Tu changes his outfit every three days and never wears the same outfit twice, how many days of winter can Chim Tu survive without repeating an outfit?

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