using System;
using System.Linq;
using System.Net.Http;
using System.Collections.Generic;

class P
{
    static void Main()
    {
        int[] a = Console.ReadLine().Split().Select(int.Parse).ToArray();
        Console.WriteLine(a[0] * a[1] % 2 == 0 ? ""Even"" : ""Odd"");
    }
}