import java.util.Scanner;
class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int num = a*b;
    if(num%2==0){
      System.out.println("Even");
    }else{
      System.out.println("Odd");
    }
  }
}