#include <bits/stdc++.h>
using namespace std;

int main() {
  int a b;
  cin >> a >> b;

  if ((a * b * 10 / 2 ) == a * b / 2 * 10 ) {
    cout << "Even" << endl;
  }
  else if ((a * b * 10 / 2 ) != a * b / 2 * 10 )) {
    cout << "odd" << endl;
}
