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);
			
			int a = sc.nextInt();
			int b = sc.nextInt();
			
			int c = a*b;
			
			if(c%2==0){
				System.out.println("Even");
			}else{
				System.out.println("Odd");
			}
		}
}