
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
One day, Xiaoming was chatting with his older brother. Xiaoming said to his brother: "I am particularly looking forward to the year 2013, because 2, 0, 1, and 3 are four different digits, and this is the first time I have encountered such a year." The elder brother laughed and said: "Yes, we can call such years 'lucky years'. By this calculation, next year happens to be the second 'lucky year' that I've experienced." What year was the elder brother born in?

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