import java.util.Scanner;


public class Main{
    public  static void main(String[] args) {
    	try (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");
    	}
    }
}