import java.util.*;
public class Main{
  public static void main(Strings []args){
    Scanner scan =new Scanner(System.in);
    int a=scan.nextInt();
    int b=scan.nextInt();
    int c=a*b;
    if(c%2==1){
      System.out.println("Odd");
    }else {
      System.out.println("Even");
    }
  }
}