using System;

class Program
{
 static void Main(string[] args) 
 {
   string[] nums;
   int sum;
   
   nums = Int.Parse(Console.ReadLine().Split(' '));
   sum = nums[0] * nums[1];
   
   Console.WriteLine("%s", ( (sum % 2) == 0 ? "Even"; "Odd" ));
 }
}