#include<bits/stdc++.h>

using namespace std;

void even()
{
  cout << "even" << endl;
  exit(0);
}

void odd()
{
  cout << "odd" << endl;
  exit(0);
}

int main()
{
  int M;
  cin >> M;

  if(M == 1) even();
  if(M == 2) odd();
  if(M == 3) odd();
  if(M == 4) odd();
  if(M == 5) odd();
  if(M == 6) odd();
  if(M == 7) odd();
  if(M == 8) odd();
  if(M == 9) odd();


  throw (0);


}