#include <bits/stdc++.h>
#define rep(i, a, n) for (int i = a; i < (int)(n); i++)
#define vi vector<int>
#define vs vector<string>
#define vvi vector<vector<int>>
#define vb vector<bool>
#define ll long long
#define dd double
using namespace std;

void faster()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
}

template <typename T>
void input(T &x)
{
    cin >> x;
}
template <typename T, typename... Args>
void input(T &x, Args &...args)
{
    cin >> x;
    input(args...);
}

template <typename T>
void sorts(vector<T> &vec)
{
    sort(vec.begin(), vec.end());
}

template <typename T>
void rsorts(vector<T> &vec)
{
    sort(vec.begin(), vec.end(), greater<T>());
}

template <class T>
inline bool chmin(T &a, T b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <class T>
inline bool chmax(T &a, T b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}

struct timekeeper
{
    chrono::high_resolution_clock::time_point starttime;
    chrono::high_resolution_clock::time_point endtime;
    chrono::duration<double> duration;
};

int main()
{
    int n;
    input(n);
    rep(i, 0, n)
    {
        cout << 'a';
    }
    cout << '\n';
    return 0;
}