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) % 2 == 0) {
      System.out.println("Even");
    }
    else {
      System.out.println("Odd");
    }
  }
}
