using System;

class Program
{
	static void Main(string[] args)
	{
		string[] str = Console.ReadLine().Split(' ');
		int a = int.Parse(str[0]);
		int b = int.Parse(str[1]);

		if(a%2 == 0 && b%2 == 0)
		{
			Console.WriteLine("Evan");
		}
		else
		{
  			Console.WriteLine("Odd");
		}
    }
}