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.Scanner;

public class Main {
 public static void main(String args[]) {
 	Scanner scan = new Scanner(System.in);
   
	int a = scan.nextInt();
    int b = scan.nextInt();
   
   if ((a*b)%2 == 1) {
   	System.out.println("Odd");
   } else {
    System.out.println("Even");
   }
 }
}