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