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