import java.util.*;

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