03a. Even or Odd

/*
 * Simple Conditions
 */
import java.util.Scanner;

public class _03a_EvenOrOdd
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);

        int num = Integer.parseInt(scan.nextLine());

        if (num % 2 == 0) {
            System.out.println("even");
        }
        else {
            System.out.println("odd");
        }
    }
}