import java.util.Scanner;

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