import java.util.Scanner;

public class Main {

  public static void main(String[] args) {

      Scanner scan = new Scanner(System.in);
      String a = scan.next();
      String b = scan.next();

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