
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
There are five gift boxes numbered 1, 2, 3, 4, and 5, and four different gifts need to be placed in these boxes, with one box remaining empty. Calculate the number of different ways to arrange the gifts.

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