#include <bits/stdc++.h>
using namespace std;
using namespace std;
template <class T = long long>
T in() {
  T _in;
  cin >> _in;
  return (_in);
}
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  long long a = in(), b = in();
  if ((a % 2 == 0) || (b % 2 == 0))
    cout << 'Even' << endl;
  else
    cout << 'Odd' << endl;
  return 0;
}
