#include <iostream>
#include <algorithm>

int main(int argc, char const *argv[])
{
	int a,b;
	std::cin >> a >> b;
	if(a % 2 == 0 || b % 2 == 0)	std::cout << "Even" << endl;
	else std::cout << "Odd" << endl;
	return 0;
}