iport java.util.*;

public class Main {
 public static void main(String[] args) {
   Scanner scan = new Scanner(System.in);
   int a = scan.nextInt();
   int b = scan.nextInt();
   if (a * b  % 2 == 0) {
     System.out.println("Even");
   } else {
     System.out.println("Odd"); 
   }
 }
}