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