
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
A city has \(n\) high schools, and the \(i\)-th school sends \(C_i\) students \((1 \leq C_i \leq 39, 1 \leq i \leq n)\) to watch a ball game in a stadium. The total number of students is \(\sum_{i=1}^{n} C_i = 1990\). There are 199 seats in each row of the stands. Students from the same school must sit in the same row. What is the minimum number of rows needed to ensure that all students can be seated?

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