
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
If Heidi can paint a wall in 60 minutes and Liam can paint the same wall in 90 minutes, how much of the wall can both Heidi and Liam, working together, paint in 15 minutes?

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