P16306 [Lанqiao Cup 2026 NOI Qualifier Java/Python Graduate Group] Reading Plan

Xiao Lan bought an extracurricular book with a total of $2026$ pages, and plans to read it continuously starting from today (Monday). Due to the school schedule: - From Monday to Friday (school days), he can read at most $5$ pages per day. - On Saturday and Sunday (rest days), he can read at most $15$ pages per day. Question: What is the minimum number of days Xiao Lan needs to finish reading the whole book?

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This is a fill-in-the-blank problem. You only need to calculate the result and submit it. The result is an integer. When submitting, only fill in this integer; any extra content will not be scored.

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