#include <bits/stdc++.h>
using namespace std;
int main() {
  double A, B;
  double c;
  int d;
  int e;
  cin >> A >> B;
  c = A * B;
  d = c / 2;
  e = d * 2;
  if (e == d) {
    cout << "Even" << endl;
  } else {
    cout << "Odd" << endl;
  }
}
