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.*;
public 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==1) {
	    	System.out.println("Odd");
	    }else {
	    	System.out.println("Even");
	    }
    
  }
}