
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
Consider Pascal's triangle as described in the provided diagram. Calculate the sum of the third, fourth, and fifth elements in Row 20 of Pascal's triangle.

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