#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  cin >> a >> b;
  bool c = ((a % 2) == 0);
  bool d = ((b % 2) == 0);
  if (c & d) {
    cout << "Even" << endl;
  } else {
    cout << "Odd" << endl;
  }
  return 0;
}
