using static System.Console;
using System.Linq;

class Program
{
    static void Main()
    {
        string[] tmp = ReadLine().Split(" ");
        var a = int.Parse(tmp[0]);
        var b = int.Parse(tmp[1]);

        if ((a * b) % 2 == 0)
        {
            WriteLine("Even");
        }
        else
        {
            WriteLine("Odd");
        }
    }
}
