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();
    String q = "Odd";
    if(a%2==0||b%2==0){
      q="Even";
    }
    System.out.println(q);
  }
  

  
}