Problem Description

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?

Output Format

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.

Hint

Translated by ChatGPT 5