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]);

	int p = a * b;
	if(p % 2 == 0){
		Console.WriteLine("Even");
		} else {
		Console.WriteLine("Odd");
		}
	}
 }