
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
Given Tyrone initially had 100 marbles and Eric had 20 marbles, and Tyrone gives some marbles to Eric such that Tyrone ends with three times as many marbles as Eric, determine the number of marbles Tyrone gave to Eric.

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