
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 $n$ middle schools. The $i$-th middle school sends $C_i$ students to watch a ball game in the gymnasium $\left(0 \leqslant C_i \leqslant 39, \, i=1,2, \cdots, n\right)$. The total number of students is $C_1 + C_2 + \cdots + C_n = 1990$. Each row of seats in the stands has 199 seats. Students from the same school must sit in the same row. What is the minimum number of rows required to seat all the students according to the requirements?

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