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.nectInt();
      
      if ((a * b) % 2 == 0) {
          System.out.println('Even')
          } else {
          System.out.println('odd')
      }
    }
}