import java.util.*;

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