
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
On a table, there are 100 piles of pebbles, with 1, 2, ..., up to 100 pebbles in each pile respectively. In one step, you can reduce any number of selected piles, provided that you remove the same number of pebbles from each selected pile.

What is the minimum number of steps needed to remove all the pebbles from the table?

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