using System;
class program
{
		static void Main(string[] args)
        {
            var read = Console.ReadLine();
            var datas = read.Split(new char[] { ' ' });
            int a = Convert.ToInt32(datas[0]);
            int b = Convert.ToInt32(datas[1]);

            int c = a * b;
            if (c % 2 == 0)
            {
                Console.WriteLine("even");
            }
            else
            {
                Console.WriteLine("odd");
            }
        }
}