using System;
using System.Linq;
using System.Collections.Generic;
class Program
{
    static void Main(string[] args)
    {
        string[] s = Console.ReadLine().Split(' ');
        int a = int.Parse(s[0]);
        int b = int.Parse(s[1]);
        Console.WriteLine((a % 2 == 0 && b % 2 == 0) ? "Even" : "Odd");
    }
}
