import java.util.*;

public class Main {
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt();
		if(a % 2 == 1 && b % 2 == 1) {
			System.out.println("Odd");
		} else {
			System.out.println("Even");
		}
	}
}