using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp3 {
    class Program {
        static void Main(string[] args) {
            int a;
            int b;

            a = Convert.ToInt32(Console.ReadLine());
            b = Convert.ToInt32(Console.ReadLine());

            if (a % 2 == 1 && b % 2 == 1) {
                Console.WriteLine("Odd");
            } else {
                Console.WriteLine("Even");
            }
        }
    }
}
