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(a*b % 2 != 0){
        	System.out.println("Odd");
        }
      	
    }}