
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 15 ping pong tables with 38 people simultaneously playing ping pong matches. How many tables are being used for singles matches and how many tables are being used for doubles matches?

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