package practice;

import java.util.Scanner;
public class Main {
	public static void main(String[] args){
		
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = a * b;
		
		if(c % 2 == 1) {
			System.out.println("Odd");
		}else if(c % 2 == 0) {
			System.out.println("Even");
		}
	}

}