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 sc =new Scanner(System.in);
 
	int	a=sc.nextInt();
	int b=sc.nextInt();

	//奇数の場合
	if(a*b%2==1){
System.out.println("Odd");
	
	}
	//偶数の場合
	else{
		System.out.println("Even");

	}
	}
}