
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
Two natural numbers are divided, the quotient is 15, and the remainder is 5. It is known that the sum of the dividend, divisor, quotient, and remainder is 2169. Find the dividend.

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