
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
A particle is located at the origin O of the coordinate system. This particle moves either left or right by one unit per second, with equal chances for both directions. What is the probability that the particle will be at the point (1,0) after 3 seconds?

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