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

inline void init() {
#ifdef __LOCAL__
  freopen("in", "r", stdin);
#endif
}

typedef long long ll;
typedef pair<int, int> pii;



int main() {
  init();

  ll a, b; cin >> a >> b;
  a *= b;
  if (a & 1) cout << "Odd" << endl;
  else cout << "Even" << endl;
  
  return 0;
}
