using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace program
{
    class Program
    {
        static void Main(string[] args)
        {
          int a = cin.ReadInt;
          int b = cin.ReadInt;
          int p = a * b;
          if(p % 2 == 0){
            Console.WriteLine("Even");
          }else{
            Console.WriteLine("Odd");
          }
       }
   }
}