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");
    }
    System.out.println("Odd");
  }
}