import java.util.*;

public class Main {
    public static int gcd(double a, int b) {
        int gcd = 1;
        int k = 2;
        while (k <= a && k <= b) {
            if (a % k == 0 && b % k == 0) {
                gcd = k;
            }
            k++;
        }
        return gcd;
    }

    public static String oddoreven(int a) {
        return (a % 2 == 0 ? "EVEN" : "ODD");
    }

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        System.out.println("Enter Raidus for circle: ");
        double raidus = scan.nextDouble();
        Circle cir = new Circle(raidus);
        double cirarea = cir.getArea();
        System.out.println("The Area of circle is:" + cirarea);

        System.out.println("Enter height and width for the rectanguler: ");
        System.out.print("height -> ");
        int h = scan.nextInt();
        System.out.print("width -> ");
        int w = scan.nextInt();
        Rectangule rect = new Rectangule(h, w);
        int rectarea = rect.getArea();
        System.out.println("The Area of rectangule is:" + rectarea);

        int gcd = gcd(cirarea, rectarea);
        System.out.println("the gcd is: " + gcd);

        System.out.println("the gcd is: " + oddoreven(rectarea));
        scan.close();
    }
}

class Circle {
    private double redus;

    Circle() {
        redus = 1.0;
    }

    Circle(double newr) {
        redus = newr;
    }

    double getArea() {
        return redus * redus * Math.PI;
    }

    double getArea(double r) {
        return r * r * Math.PI;
    }
}

class Rectangule {
    private int h;
    private int w;

    Rectangule() {
        h = 1;
        w = 1;
    }

    Rectangule(int a, int b) {
        h = a;
        w = b;
    }

    int getArea() {
        return h * w;
    }
}