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