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