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();
    
    int A;
    A = a * b;
    if(A % 2 == 0){
      System.out.println("Odd");
    }else{
       System.out.println("Even");
    }
  }
}