using System;

namespace myApp
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            string[] arr = input.Split(" ");
            int a = int.Parse(arr[0]);
            int b = int.Parse(arr[1]);
            if ( ( a * b ) % 2 == 0)
                Console.WriteLine("Even");
            else
                Console.WriteLine("Odd");
            
        }
    }
}
