#include <bits/stdc++.h>
using namespace std;
template <typename T>
void MACRO_VAR_Scan(T& t) {
  cin >> t;
}
template <typename First, typename... Rest>
void MACRO_VAR_Scan(First& first, Rest&... rest) {
  cin >> first;
  MACRO_VAR_Scan(rest...);
}
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  ;
  long long a, b;
  MACRO_VAR_Scan(a, b);
  ;
  if ((a * b) / 2) {
    cout << ("Even") << endl;
    ;
  } else {
    cout << ("Odd") << endl;
    ;
  }
  return 0;
  ;
}
