
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
Andrey, Boris, and Valentin participated in a 1 km race. (Assuming each of them ran at a constant speed). Andrey was 60 meters ahead of Boris at the finish line. Boris was 50 meters ahead of Valentin at the finish line. What was the distance between Andrey and Valentin at the moment Andrey finished?

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