
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 is a game involving 100 matches piled together. Two players take turns to pick up matches, with each player picking at least 1 match and at most 10 matches per turn. The player who picks up the last remaining match wins. For the first player to defeat their opponent, how many matches should they pick up first?

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