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