#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
#define ll long long
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
using mint = modint998244353;
#define ull unsigned long long
random_device rnd;
mt19937 mt(rnd());
int RandInt(int a, int b) {
    return a + mt() % (b - a + 1);
}

int main(){
    int n;
    cin>>n;
    rep(i,n){
        cout<<"a";
    }
    cout<<endl;
    return 0;
}