// Tyler Rigsby, CSE 142
// Reads in an input file of section attendance grades and outputs the points and grades
// for the students in each section.

import java.util.*;
import java.io.*;

public class SectionAttendance {

	public static void main(String[] args) throws FileNotFoundException {
		Scanner input = new Scanner(new File("grades.txt"));
		
		// for each section (line):
		//    save the line
		//    process the line--get points from String
		//    get the grades from the points
		int section = 1;
		while (input.hasNextLine()) {
			String line = input.nextLine();
			
			int[] points = computePoints(line);
			double[] grades = computeGrades(points);
			reportResults(section, points, grades);
			
			section++;
		}
	}
	
	// Computes the points for each student in a line.
	public static int[] computePoints(String line) {
		int[] points = new int[5];
		for (int i = 0; i < line.length(); i++) {
		
			// line = "hello"
			// line.charAt(2) --> 'l'
		
			char c = line.charAt(i);
			int value = 0;
			if (c == 'y') {
				value = 3;
			} else if (c == 'n') {
				value = 1;
			}
			points[i % 5] = Math.min(20, points[i % 5] + value);
		}
		return points;
	}
	
	// Compute the grades for each student based on their points as a percentage out of 20.
	public static double[] computeGrades(int[] points) {
		double[] grades = new double[points.length];
		for (int i = 0; i < points.length; i++) {
			grades[i] = points[i] / 0.2;
		}	
		return grades;
	}
	
	// Reports the results of a given section
	public static void reportResults(int section, int[] points, double[] grades) {
		System.out.println("Section " + section);
		System.out.println("Student points: " + Arrays.toString(points));
		System.out.println("Student grades: " + Arrays.toString(grades));
		System.out.println();		
	}
}