#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
  string s = "";
  ll n;
  cin >> n;
  while (true) {
    s += 'a';
    if (s.size() == n) break;
    s += 'a';
    if (s.size() == n) break;
    s += 'b';
    if (s.size() == n) break;
    s += 'b';
    if (s.size() == n) break;
  }
  cout << s << "\n";
  return 0;
}
