#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  1 <= a <= 10000;
  1 <= b <= 10000;
  if ((a * b) % 2 == 1) {
    cout << "Odd" << endl;
  } else if ((a * b) % 2 == 0) {
    cout << "Even" << endl;
  }
}
