
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 two three-digit numbers, and their sum is 999. If the larger number is placed to the left of the smaller number, the resulting number equals six times the number formed by placing the smaller number to the left of the larger number. What is the difference between the two numbers?

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