using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace product
{
	class Program
    {
    	static void Main(string[] args)
        {
        	int a = int.Parse(Console.ReadLine());
            int b = int.Parse(Console.ReadLine());
          	
          	if(a % 2 == 1 && b % 2 == 1)
            {
            	Console.WriteLine("Odd");
            }
          	else
            {
            	Console.WriteLine("Even");
            }
        }
    }
}
