import java.util.Scanner;

public class Soinsu {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		int M = s.nextInt();
		s.close();
		if((403 % M) % 2 == 0){
			System.out.println("odd");
		}else{
			System.out.println("eve");
		}
	}

}