import java.util.*;

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== 0 || b % 2== 0){

       System.out.println("even");

  }
    else{

       System.out.println("odd");
  }


  }
 }