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