#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
#define fix(x) fixed << setprecision(x)
#define asc(x) x, vector<x>, greater<x>
#define rep(i, n) for(ll i = 0; i < n; i++)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}
constexpr ll INFLL = (1LL << 62);
constexpr int INF = (1 << 30);

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    ll m;
    cin >> m;
    string ans;
    vector<int> v(10001,0);
    for(ll i=10000;i>=1;i--){
        ll x = i * (i+1) / 2;
        v[i] = m / x;
        m %= x;
    }
    for(int i=1;i<=10000;i++){
        ans += "co";
        rep(houren, v[i]) ans += "n";
    }
    cout << ans << '\n';
    return 0;
}