
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
The Metropolitan High School Basketball team consists of 18 players, including 2 who specialize as goalkeepers. During training, a practice session is organized where each goalkeeper takes turn guarding the hoop while the rest of the team (including the other goalkeeper) shoots basketballs from the free throw line. 

How many free throws must be taken to ensure that everyone has a chance to shoot against each of the goalkeepers?

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