import java.util.Scanner;

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

        int num1 = scan.nextInt();
        int num2 = scan.nextInt();

        if((num1 * num2) % 2 == 0) {
          System.out.println("Odd");
        }else {
          System.out.println("Even");
        }
        
      }
}