
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
Given that there are 18 teams participating in the competition, with the first team having 27 members, the second team having 26 members, and so on, with the 18th team having 10 members, determine the number of teams whose last member has an odd number.

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