
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
At the grocery store, I bought $5$ different items. I brought $4$ identical bags, and handed them to the cashier. How many ways are there for the cashier to put the items I bought in the $4$ identical bags, assuming he might leave some of the bags empty?

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