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

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

		int a = in.nextInt();
		int b = in.nextInt();

		int result = (a % 2 * b % 2) % 2;
		if (result == 0) {
			System.out.println("Even");
		} else {
			System.out.println("Odd");
		}
		
	}
}