
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. The $i$-th high school sends $c_{i}$ students $\left(1 \leqslant c_{i} \leqslant 39,1 \leqslant i \leqslant n \right)$ to the stadium to watch a game. The total number of students is $\sum_{i=1}^{n} c_{i}= 1990$. Each row in the grandstand has 199 seats, and students from the same school must sit in the same row. What is the minimum number of rows required to ensure all the students can be seated?

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