#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;

#define MAX_PRIME 10000000 
bool isprime[MAX_PRIME+1]; 
vector<int> primes; 
void init_prime(){
  fill(isprime, isprime+MAX_PRIME+1, true); 
  isprime[0] = isprime[1] = false; 
  for(int i = 2; i <= MAX_PRIME; i++) { 
    if (isprime[i]) { 
      primes.push_back(i); 
      for(int j = i*2; j <= MAX_PRIME; j += i) 
      isprime[j] = false; 
    } 
  } 
}
ll strmod(const string& n, const ll& m){
  ll ret = 0;
  int j = 0;
  while(true){
    if(ret >= m) ret%=m;
    if(j >= n.size()) break;
    ret = ret*10 + (n[j]-'0');
    j++;
  }
  return ret;
}

int main(){
  init_prime();
  vector<int> cand;
  rep(i,MAX_PRIME){
    if(i%8 == 3 && i%21 == 4 && isprime[i]){
      cand.push_back(i);
    }
  }
  reverse(ALLOF(cand));
  string s = "26180411287263107299803976957264203054160842086839438580";
  int orig = 1;
  rep(i,cand.size()){
    if(strmod(s,cand[i]) == 0){
      orig = cand[i];
      break;
    }
  }
    
  int M;
  cin >> M;

  if((orig%M)%2==0) cout << "even" << endl;
  else cout << "odd" << endl;
  
  return 0;
}