using System.Numerics; public class Program { public static void Main() { BigInteger num = BigInteger.Parse(Console.ReadLine() ?? string.Empty); BigInteger num2 = BigInteger.Parse(Console.ReadLine() ?? string.Empty); //string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' '); //string str = Console.ReadLine() ?? string.Empty; long a = Convert.ToInt64((long)num); long b = Convert.ToInt64((long)num2); if ((a * b) % 2 == 0) { Console.WriteLine("Even"); } else { Console.WriteLine("Odd"); } } }