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