using System;
using System.Collections.Generic;
using System.Linq;

class program{
    public static void Main(){
        var ab = Console.ReadLine().Split(' ').Select(_ => int.Parse(_)).ToList();
        var a = ab[0];
        var b = ab[1];
        
        if(a * b % 2 == 1){
            Console.WriteLine("Even");
        }else{
            Console.WriteLine("Odd");
        }
    }
}