#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, d;
  cin >> a;
  cin >> b;
  d = (a * b) % 2;
  if (d = 0) {
    cout << "Even" << endl;
  } else if (d = 1) {
    cout << "Odd" << endl;
  }
}
