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(0 <= a && a <= 10000 && 0 <= b && b <= 10000)
        {
          if(a % 2 == 1 && b % 2 == 1)
          {
        	Console.WriteLine("Odd");
          }
          else
          {
          	Console.WriteLine("Even");
          }
        }
    }
  }
}