#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;

#include <bits/stdc++.h>
using namespace std;

int main(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);

  ll m;
  cin>>m;
  
  if(m<=60000){
    cout<<"co";
    rep(i,m) cout<<"n";
    cout<<endl;
    return 0;
  }
  
  vector<ll> A(10010);
  rep(i,10010) A[i]=(ll)i*i*i;
  
  auto it=lower_bound(ALL(A),m)-A.begin();
  if(A[it]==m){
    rep(i,it) cout<<"c";
    rep(i,it) cout<<"o";
    rep(i,it) cout<<"n";
    cout<<endl;
    return 0;
  }
  
  ll k=it-100;
  for(ll c=max(1LL,k);c<=it+100;c++){
    for(ll o=max(1LL,k);o<=it+100;o++){
      for(ll n=max(1LL,k);n<=it+100;n++){
        if(c*o*n==m && c+o+n<=60000){
          rep(i,c) cout<<"c";
          rep(i,o) cout<<"o";
          rep(i,n) cout<<"n";
          cout<<endl;
          return 0;
        }
        ll c2=m-c*o*n-c*o-c;
        if(c2<1) continue;
        if(c+o+n+c2+2<=60000){
          rep(i,c) cout<<"c";
          rep(i,o) cout<<"o";
          rep(i,n) cout<<"n";
          rep(i,c2) cout<<"c";
          cout<<"on";
          cout<<endl;
          return 0;
        }
      }
    }
  }
  
  return 0;
}