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;

class Main {

public static void main(String[] args){
int a,b;
int c;
Scanner sc=new Scanner(System.in);

	a=sc.nextInt();
	b=sc.nextInt();

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

}}
