StoringMarks

import java.io.File;
import java.util.Scanner;

public class StoringMarks {
    public static void main(String[] args){
        Scanner scanner= new Scanner(System.in);
        String fileName= scanner.nextLine();
        scanner.nextLine();
        int min= scanner.nextInt();
        scanner.nextInt();
        int max= scanner.nextInt();
        scanner.nextLine();
        int width= scanner.nextInt();
        scanner.nextLine();
        int[] marks= new int[max-min+1];
        int total=0;

        try(Scanner file= new Scanner(new File("text.txt"))){
            file.nextLine();
            while(file.hasNext()){
                String line[] = file.nextLine().split(",");
                int d = Integer.parseInt(line[1]);
                marks[d-min]+=1;
                total+=1;
            }

        }catch(Exception e){
            e.printStackTrace();
        }

        for(int i=0;i<marks.length;i+=width){
            int sum=0;
            for (int j=0;j<marks.length;j++){
                sum+=marks[i+j];
            }
            int percentage=(int)(100*(1.0*sum)/total);
            String bar="";
            if(percentage>0){
                bar=String.format("%"+percentage +"s"+" ").replace(" ","=");
            }
            int lower= i+min;
            int upper=lower+width-1;

            System.out.format("%.03d-%.03d:%s", lower, upper , bar);

        }


    }

}