
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
Alex has 6 pieces of paper, each with a different math problem. He wants to distribute these problems to his 15 friends. Each friend can receive more than one problem. In how many ways can Alex distribute these problems?

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