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