
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 are $n$ high schools in a city, the $i$-th school sends $C_{i}$ students to the stadium to watch a game $\left(1 \leqslant C_{i} \leqslant 39, i=1, 2, \cdots, n\right)$, and the total number of students is $\sum_{i=1}^{n} C_{i}=1990$. Each row in the stadium has 199 seats. 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}
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