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