#include <bits/stdc++.h>
using namespace std;
int main() {
  int input1, input2;
  cin >> input1 >> input2;
  if ((input1 + 2) % 2 == 1 && (input2 + 1) & 2 == 1)
    cout << "Odd" << endl;
  else
    cout << "Even" << endl;
}
