
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
John received some cash bills from his grandmother. On his way to the mall, he lost exactly one-third of it. When he realized this, he retraced his steps and managed to find two-thirds of the cash he had dropped. What fraction of the cash that he received from his grandmother was still missing after John retraced his steps? Express your answer as a common fraction.

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