#include <bits/stdc++.h>
using namespace std;
void solve() {
  int a, b;
  if (a * b % 2 == 0)
    cout << "Even" << endl;
  else
    cout << "Odd" << endl;
}
int main() {
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);
  cout << fixed << setprecision(20);
  solve();
  return 0;
}
