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();
    
    System.out.println( (a % 2 == 0) || (b % 2 == 0) ? "Even" : "Odd");
  }
}