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