
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
There are 10 identical balls to be placed into four different boxes labeled 1, 2, 3, and 4, such that each box contains at least one ball. Calculate the number of ways to do this.

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