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