using System;
class Program
{
  static void Main(String[] args)
  {
  
    String[] input = Console.ReadLine().split(' ');
    int a = int.Parse(String[0]);
    int b = int.Parse(String[1]);
    
    if((a*b)%2 == 0)
    {
      Console.WriteLine("Even");
    }else{
      Console.WriteLine("Odd");
    }
    
  }
}