using System;
public class Hello{
    public static void Main(string[] args){
        string[] input = Console.ReadLine().Split(' ');
		int a = int.Parse(input[0]);
		int b = int.Parse(input[1]);
     
      if((a*b)%2==0){
          Console.WriteLine("even");
      }else{
          Console.WriteLine("odd");
      }
   
    }
}
