

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        if (a % 2 == 1 && b % 2 == 1) {
            System.out.println("odd");
            
        } else {
            System.out.println("even");
            
        }
    }
}