import java.util.*;

public class Lab2InClass2
{
    public static void main(String[] args)
    {
        int daysPerWeek = 7;

        System.out.println("How many days per week do you attend COMP110?");
        Scanner keyboard = new Scanner(System.in);

        int daysOfComp110 = keyboard.nextInt();

        double percentage = daysOfComp110 / daysPerWeek;
        percentage = percentage * 100.0;

        System.out.println("You attend COMP110 on " + percentage +
            "% of the days of the week.");
    }
}