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) mod 2 == 1){
    System.out.println("Odd");
  }else {
    System.out.println("Even");
  }
}
}