
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
In an opaque bag, there are a total of 20 red and yellow balls, all of which are identical except for the color. Xiao Ming found through multiple experiments that the frequency of picking out red balls stabilizes around 0.25. The possible number of red balls in the bag is ______.

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