import java.util.Scanner;

public class test {
  
  public static void main (String[] args){
    
    Scanner scanner = new Scanner(System.in);
    
    int a = scanner.nextInt();
    int b = scanner.nextInt();
      
    if (a*b%2 == 0){
      System.out.println("Even");
    } else {
      System.out.println("Odd");
    }
    
    scanner.close();
    
  }
}