#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
using ll=long long;
using pll=pair<ll,ll>;
using tll=tuple<ll,ll,ll>;
const ll INF=(1ll<<60);
template<class T> void chmin(T &a,T b){
    if(a>b){
        a=b;
    }
}
template<class T> void chmax(T &a,T b){
    if(a<b){
        a=b;
    }
}
ll modpow(ll a,ll b,ll mod){
    if(b==0) return 1;
    ll p=a,ret=1;
    for(ll i=0;i<=62;i++){
        if(b&(1ll<<i)){
            ret*=p;
            ret%=mod;
        }
        p=(p%mod)*(p%mod);
        p%=mod;
    }
    return ret;
}
int main(){
    ll m;
    cin >> m;
    if(m==0){
        cout << "a" << endl;
        return 0;
    }
    ll a=m/(ll)1e8;
    m%=(ll)1e8;
    ll b=m/(ll)1e4;
    m%=(ll)1e4;
    rep(i,a) cout << "c";
    rep(i,1e4) cout << "o";
    rep(i,9998) cout << "n";
    rep(i,b) cout << "c";
    rep(i,9999) cout << "o";
    rep(i,m) cout << "c";
    cout << "on" << endl;
}