import java.io.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws IOException
	{
		 BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		 String line = br.readLine();
		 StringTokenizer st = new StringTokenizer(line);
		 int a = Integer.parseInt(st.nextToken());
		 int b = Integer.parseInt(st.nextToken());
		 if(a % 2 == 0 || b % 2 == 0) 
		 {
			 System.out.println("even");
		 }
		 else 
		 {
			 System.out.println("odd");
		 }
	}
}