
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
Several hundred years ago, Columbus discovered the Americas. The four digits of the year he discovered the new continent are all different and their sum is 16. If you add 1 to the tens digit, it will be exactly 5 times the units digit. In which year did Columbus discover the Americas?

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