import java.io.*;

class Interval {
    private int minInt, maxInt;
    private int nrTestate=0, nrTestateInt=0;
    public double percentage;

    public Interval(int min, int max) {
        this.minInt = min;
        this.maxInt = max;
    }

    public void isInInt(Double x) {
        this.nrTestate++;
        if(x>= minInt && x<= maxInt)
            this.nrTestateInt++;
        this.percentage = (double)this.nrTestateInt / (double)this.nrTestate * 100;
    }

    public String toString() {
        return "["+minInt + " ; " + maxInt + "] percentage = " + percentage+"%";
    }
}

class Client {
    public static void main(String argv[]){
        try{
        BufferedReader file_char_stream = new BufferedReader(new InputStreamReader(new FileInputStream("interval.dat")));
        PrintStream outputFile;

        if(argv.length==1)
            outputFile = new PrintStream(new FileOutputStream(argv[0]));
        else
            outputFile = System.out;

        Interval i1;
        Integer min = new Integer(0);
        Integer max = new Integer(0);
        String inputFile;

        String line = null;
        while((line = file_char_stream.readLine())!= null) {
            min = min.parseInt(line);
            line = file_char_stream.readLine();
            max = max.parseInt(line);
            line = file_char_stream.readLine();
            inputFile = new String(line);

            i1 = new Interval(min, max);

            BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));

            while((line = input.readLine())!= null) {
                Double x = new Double(0);
                x = x.parseDouble(line);
                i1.isInInt(x);
            }

            outputFile.println(i1.toString());
            //System.out.println(i1.toString());

        }
        outputFile.close();
        file_char_stream.close();
        //input.close();
        } catch(IOException e) {
            System.out.println("Eroare la operatiile de intrare-iesire!");
            System.exit(1);
        }
    }
}