package b1;

import java.io.IOException;
import java.io.PrintWriter;
import jline.console.ConsoleReader;

public class Main {

    public static void main(String[] args) throws IOException {
        ConsoleReader reader = new ConsoleReader();
        String line;
        PrintWriter out = new PrintWriter(System.out);
        while ((line = reader.readLine("number or quit> ")) != null) {
            if (line.equalsIgnoreCase("quit")) {
                break;
            }
            int i = Integer.parseInt(line);
            System.out.println(
                    Math.square(i) + " ist " + i + " quadriert");
            out.flush();
        }
    }
}