
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
The 31st World University Summer Games will be held in Chengdu, Sichuan Province from July 28th to August 8th this year. There are five referees numbered 1, 2, 3, 4, 5, each seated in one of the five seats numbered 1, 2, 3, 4, 5. The number of ways in which exactly two referees have the same number as their seat number is ______.

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