#include <stdio.h>
#include <iostream>

int main(){
	int first, second, tgt;

	cin >> first >> second;
	tgt = first * second;
	if(tgt - tgt/2 == tgt /2){
		cout << "Even" << endl;
	}else{
		cout << "Odd" << endl;
	}
	return 0;
}