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 scan = new Scanner(System.in);
	int n = scan.nextInt();
    int a = scan.nextInt();

    System.out.println(n*a % 2 == 0? "Even" : "Odd");
  }
}
