#include <iostream>
#include <string>
using namespace std;

string judge(int a, int b){
	int mod = a * b % 2;
  	if (mod == 1) {
	  	return "Even";
    }
  	else {
		return "Odd";
    }
}

int main() {
    int a, b;
    cin >> a >> b;
    cout << judge(a, b) << s << endl;
}


