AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.

Constraints

* 1 ≤ a,b ≤ 10000
* a and b are integers.

Input

Input is given from Standard Input in the following format:


a b


Output

If the product is odd, print `Odd`; if it is even, print `Even`.

Examples

Input

3 4


Output

Even


Input

1 21


Output

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