
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
Derek, Emily, and Fiona have collected seashells that they plan to sell in packages of 10. If Derek has 58 seashells, Emily has 73 seashells, and Fiona has 31 seashells, how many seashells will be left over after all packages are sold?

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